18 Inches Or More High Mattress Covers & Protectors

Made from 40% rayon from bamboo , 60% polyester, this waterproof mattress protector features a unique channel weave construction to keep the air circulating and provide a cool sleeping environment. The TPU backing protects your mattress from liquids, sweat, urine and stains, making it suitable for the elderly, pregnant women or pets. The elastic skirt and 360° wrap-around design fit snugly to your mattress and prevent some areas from protruding. What's more, our skin-friendly mattress protectors are machine washable and tumble dry at low temperatures, retaining their water-repellent ability even after 100 washes.

Great mattress protector! It fits well, feels soft and comfortable, and doesn’t make any noise when you move. I really like that it’s waterproof but still breathable and doesn’t feel like plastic. It was easy to put on the mattress, and the quality feels very good. I’m very happy with my purchase and would definitely recommend it.. Anonymous. Mon Sep 28 2026

This mattress protector guards your bed against everyday spills, allergens, and unwanted pests. Made from soft cotton terry cloth, it offers a breathable barrier that keeps your mattress fresh while maintaining a comfortable sleeping surface. The fitted design fits snugly over the top and sides of your mattress to stay securely in place night after night. It’s easy to maintain and machine washable, making cleanup a simple part of your laundry routine. Plus, it helps extend the life of your mattress by shielding it from moisture and wear.

We liked the mattress protector overall. I ordered them two one for my master queen bed and the other for my guest room bed. Overall the protector is really good and looks the same as it was shown in the image page. I tried pouring water and it got removed off easily without getting absorbed down the layer, which is what we would want for a waterproof for any accidental leakage!! We are using it now for since a week and were hoping we should have bought them earlier. It’s good in texture and I layer them with my fitted sheet and extra sheet on top of it!! Overall I am satisfied with my purchase!!!. Namita. Illinois. Wed Jul 29 2026

BEDLORE® mattress protector is made of 40% Rayon from Bamboo, 60% Polyester, which is friendly to people with sensitive skin. The 3D air fabric is soft and skin-friendly, which can maintain airflow and enhance breathability, keeping you cool and comfortable all night long. The premium waterproof design protects your mattress from potential damage and stains caused by liquid spills and accidents. The deep pocket design ensures a secure fit for mattresses with a maximum depth of 18 inches, so you will no longer feel the sheets slipping or sliding, and this mattress protector can withstand regular washing and maintain its quality and function over time.

Fit was perfect, very comfortable. Anonymous. Thu Oct 08 2026

BEDLORE® dedicates the best sleep experience to every customer. The BEDLORE® Mattress protector features a unique classic coin quilt pattern and is crafted from brushed microfiber, which provides a soft and comfortable sleeping experience. The premium waterproof design protects your mattress from potential damage and stains caused by liquid spills and accidents. The deep pocket design ensures a secure fit for mattresses with a maximum depth of 18 inches, so you will no longer feel the sheets slipping or sliding, and this mattress protector can withstand regular washing and maintain its quality and function over time.

Simple assembly led light don't stick had to improvise and use 2 sided tape to stick them up other than that I love it. Jahunnice. Memphis, TN. Fri Oct 02 2026

BEDLORE® dedicates the best sleep experience to every customer. The BEDLORE® Mattress protector features a unique classic coin quilt pattern and is crafted from brushed microfiber, which provides a soft and comfortable sleeping experience. The premium waterproof design protects your mattress from potential damage and stains caused by liquid spills and accidents. The deep pocket design ensures a secure fit for mattresses with a maximum depth of 18 inches, so you will no longer feel the sheets slipping or sliding, and this mattress protector can withstand regular washing and maintain its quality and function over time.

Comfy but not as nice as posture pedic.. Stacy. FL. Fri Oct 09 2026

Sleep soundly, worry-free with our Breathable Cotton Waterproof Mattress Protector! Made from 100% natural cotton, this soft & cooling protector provides a barrier against accidents and spills while still allowing for airflow and breathability. The waterproof coating ensures a dry and comfortable sleeping surface, while the cotton fabric keeps you cozy and snug. Perfect for families with young children, pets, or those who tend to sleep hot, this protector is easy to wash and dry, ensuring a fresh start every morning. Upgrade your bedding routine with our eco-friendly, 100% cotton waterproof mattress protector - your body (and the planet) will thank you

Great quality and arrived fast. Happy with my purchase.. Anonymous. Sun Aug 02 2026

Waterproof Protection: Equipped with a waterproof TPU layer, this waterproof mattress protector shields your mattress from potential liquid damage, extending its durability and safeguarding your investment.

It is a great mattress protector.. Cecelia. Upper Marlboro, MD. Sat Aug 29 2026

Rest easy with the powerful protection of the allergy-free zipper mattress encasement. The intelligent 6-sided Miracle Membrane guards against dust mites and other allergens, including mold, mildew, pet dander, and pollen. And the 3-sided Bug Lock® Secure Seal zipper ensures bed bugs can’t enter or escape. Nothing’s getting through, and yet its breathable design will keep you cool throughout the night for a peaceful, healthy sleep

Mattress encasement is perfect!!!! A little hard to get on by yourself but very happy with it.. Dana. Fenton, MI. Sat Sep 19 2026

Say goodbye to worries about spills, stains, and allergens! Our Quilted Waterproof Mattress Protector keeps your mattress fresh, clean, and ultra-comfy ensuring a peaceful night’s sleep without compromising durability. This fitted protector features a soft brushed polyester top for a smooth, quiet sleep surface, plus a waterproof barrier that helps block spills, sweat, and everyday messes. The elasticized skirt creates a secure fit on mattresses up to 18'' deep. It's a simple way to extend the life of your mattress while keeping things clean and dry. We love that it arrives ready to use.

I’ve been eating a big cover for my mattress and everywhere I looked. I couldn’t find a good deal, but Wayfair has some of the best deals. Mackster. Wed Sep 30 2026

I love this mattress pad! Cooling effects help me sleep better and longer at night. Perfect.. Anonymous. Wed Sep 02 2026

This mattress protector keeps your bed dry, cool, and comfortable all night long. Its waterproof polyester layer guards against spills and sweat, while the breathable quilted top adds a soft, cushioned feel without trapping heat. A deep fitted pocket ensures it stays securely in place, even if you toss and turn. Designed to be whisper-quiet, it won’t crinkle or shift under your sheets. We love that it offers full protection without sacrificing comfort – so your mattress stays fresher, longer.

So far so good. I prefer this to zipper versions. I haven't got to really see what this is about in terms of use & wash but it feels good like waterproof but not crinkley. I have a tall twin mattress like 12" plus and it just barely got over but it's good enough. Ill be back to update.. Taimane. US. Sun Apr 26 2026

The highest quality mattress protector combines waterproofing, moisture resistance, moisture wicking and a cool, silky soft touch!Our mattress protector is made of a polyester-rayon from bamboo blend that is cool to the touch.Oeko-Tex certified textiles are free of harmful chemicals. The mattress pad covers also protects the mattress from getting dirty and is machine washable and dryable for easy care. Perfect for homes, hotels and more.

keeps all the spills off the mattress. Leah. Lakewood, NJ. Wed Sep 16 2026

This Pointehaven 240TC Cotton Percale Cover down alternative hypoallergenic mattress pad has diamond quilt design all around. The cotton pad has elastic around the side of the pad to cover up to 20" mattress. The mattress pad has 270 GSM soft down alternative polyester fill and can be used year round.

Mellissa. Batavia, IL. Tue Oct 06 2026

Soft cotton top which keeps you from overheating during sleep- not noisy like other mattress protectors. Mv. Scottsdale, AZ. Thu Sep 17 2026

Protect your mattress without sacrificing comfort with this waterproof (only for the top part) mattress cover. Rounding out the design is the fully elasticized skirt that fits snuggly around mattresses. The mattress topper is designed for all types of mattresses including memory foam, latex, or spring. Its waterproof polyester layer guards against spills and sweat, while the breathable quilted top adds a soft, cushioned feel without trapping heat.

Very strong and nice material.. M Philip. Philadelphia. Sun Oct 04 2026

Crafted with Dri-Tec moisture-wicking technology, the Bedgear Moisture-Wicking Mattress Cover ensures a restful night's sleep. Designed in a lofted honeycomb pattern, this mattress protector has soft, breathable layers that enhance airflow for maximum nighttime comfort. It also keeps your mattress free from spills and is easy to care for as it is machine washable and dryer-friendly.

Amazing. I will definitely buy again.. Elizabeth. US. Mon Sep 07 2026

Made of soft, comfortable fabric with a cooling finish, this breathable mattress protector wicks away moisture to keep you cool and dry all night. This mattress cover extends the life of your mattress by adding a protective layer between you and your mattress, keeping it clean and fresh.

Works with my mattress cover and holds up well in the washer and dryer. Immani. Jacksonville, FL. Wed May 20 2026

Upgrade your sleep with the Allergy-Free Rayon from Bamboo Mattress Protector, designed for breathable comfort and everyday protection. Its ultra-soft Rayon from bamboo fabric and waterproof lining guard against spills, allergens, and wear, without adding heat or hassle.

This is a great mattress protector, very easy to attach and feels like it will be protective over time. It's decent-looking as well.. Eric S.. US. Mon Jul 13 2026

Upgrade your sleep experience with this premium cooling waterproof mattress protector, designed to keep your mattress fresh while providing a cool and comfortable sleep surface. Featuring an ice silk cooling fabric top layer, this mattress protector helps dissipate heat and deliver a refreshing cool-to-the-touch sensation, making it ideal for hot sleepers and warm seasons. The waterproof barrier protects your mattress from spills, stains, and everyday accidents while maintaining a soft, breathable feel. Easy to care for and machine washable, this protector combines comfort, protection, and convenience for a cleaner, cooler, and more restful sleep.

Overall this seems like a solid mattress no protector! It’s hard to find one that’s actually waterproof. Most of them claim they are but still leak through. We don’t seem to have that issue with this one. Especially after my daughter had an accident on our bed, our bet was still dry, so I’ll fake it!. Paul. Lansdale, PA. Wed Aug 19 2026

Luxurious comfort has never been more sustainable. Experience the benefits of natural fibers—softer and cooler than cotton—with rayon from bamboo mattress protectors. Ideal for the most sensitive skin, this hypoallergenic, antibacterial product will keep your mattress clean and protected while providing thermal comfort. That means the fabric can maintain a friendly skin temperature, feeling just warm enough in the winter and cool in the summer. Known for its breathability, our rayon from bamboo mattress protector will provide you with comfort that sustains you and the environment.

Love it, keeps the mattress comfortable and cool.. Amelia. Oakdale, CA. Wed May 27 2026

We use diamond embossing technology to ensure that the mattress does not foam and extends its service life. In addition, we have treated the mattress with waterproofing, allowing you to drink water and eat in bed with peace of mind. This mattress comes in multiple colors for you to choose from.

Thinner than I expected, but it looks great!. Sonia. Miami, FL. Thu Mar 26 2026

Protect your mattress without sacrificing comfort with this waterproof (only for the top part) mattress cover.Rounding out the design is the fully elasticized skirt that fits snuggly around mattresses.

Works well haven’t had any issues thus fair.. Sherry. Chicago, IL. Wed Sep 09 2026

This fitted mattress protector gives you peace of mind while keeping your bed fresh and clean. Crafted from polyester, it creates a protective barrier that stands up to spills and splashes. We love that the breathable fabric promotes airflow to help you stay cool throughout the night. It easily slides over your mattress for a secure fit that stays in place even as you move. This essential layer provides a shield against common allergens like dust mites and bed bugs to support a restful environment. It also resists wrinkles and stains for effortless everyday maintenance.

Have had this mattress cover for a while now and it’s great! Can’t even tell its on the bed. Anonymous. Sun Aug 23 2026

Luxurious comfort has never been more sustainable. Experience the benefits of natural fibers—softer and cooler than cotton—with Ella Jayne’s Rayon From Bamboo Bundle which includes our Rayon From Bamboo Mattress Protector and our Rayon From Bamboo Shredded Memory Foam Pillow. Ideal for the most sensitive skin, these hypoallergenic, antibacterial products will keep your pillow and mattress clean and protected while providing thermal comfort. That means the fabric can maintain a friendly skin temperature, feeling just warm enough in the winter and cool in the summer, and known for its breathability.

Nice added comfort to my new mattress. Cooling too.. Valerie. PA. Tue Feb 04 2025

This mattress topper refreshes your sleep surface with a layer of plush comfort. It features a polyester cover that feels soft to the touch, while the cushy filling provides essential support to help you relax throughout the night. The checkerboard quilted pattern prevents the fill from shifting, ensuring an even distribution of weight across the bed. Designed for practicality, its elastic skirt stretches to accommodate a range of mattress depths for a secure fit. We also love that this topper is machine washable for effortless maintenance.

I was so glad to find these because it does not stain as easily as the white ones did. Like it so much I got rid of all of my white ones.. Beverly. US. Sat Sep 05 2026

PureCare FRíO combines our specially designed OmniGuard® Advance fabric with rapid chill cooling fibers - a micarex-based responsive textile with unique cooling properties. FRíO's rapid chill cooling fibers disperse body heat throughout the surface of the protector at a rate five times faster than that of regular polyester, focusing solely on heat reduction along the sleep surface through a combination of nano-technology, nylon, and mica minerals. The unique tunneling effect of the mineral-based fiber keeps heat from accumulating in the material surrounding the body, providing a refreshingly cooler sleep surface. FRíO's rapid chill cooling fibers are a crushed mineral-infused textile, meaning the cooling effects of this material are literally built into the fabric and will not wash out, lasting the lifetime of the protector.PureCare's clinically proven 5-Sided mattress covers fit like a fitted sheet around your mattress. Our covers utilize MiteTight® seams, combined with our OmniGuard Advance lightweight performance fabric to ensure that our mattress protectors sleep quiet and cool while providing premium mattress protection for your mattress. Great for allergy sufferers, our protectors provide a physical barrier against allergens, dust mites, stains, moisture, mold, and mildew. Our PureCare 5-Sided protector works with any mattress type; including memory foam, innerspring, gel, or latex mattresses. Completely washable, our 5-Sided protectors are specially designed so that you can wash and dry on hot settings for optimal comfort. Mattress covers conform to strict class one medically recommended allergen standards.

Got is on sale, it does feel pretty cool to the touch. The only complaint but really it’s not that bad is it has a bit of a chemical smell coming out of the box. Other than that, it’s awesome.. Anonymous. Fri Aug 28 2026

The best mattress protector combines moisture protection, antimicrobial odor protection, and a cool-to-the-touch silky soft feeling! The silky smooth top layer of cool touch performance fabric blend of polyester and nylon. Treated with an additional layer of dew Salvador antimicrobial protection for up to 30 home laundering. Deep pocket sure-grip side panels that are deep pocket up to 18". Oeko-Tex-certified textiles are certified free of harmful chemicals. Clean sleep antimicrobial cool to the touch durable for repeat washings water block waterproof protection odor reduction sure-grip side panels - deep pocket up to 18" Oeko-tex certified textiles are certified free of harmful chemicals easy care - machine wash & dry hypoallergenic - reduces the reaction to household allergen stop fabric.

It fit well! No smell! Very happy with it. Shernella. US. Sat Aug 29 2026

Cotton bed bug and dust mite mattress protector helps eliminate bed bugs, and dust mites is waterproof and hypoallergenic. This six-sided bed bug protector encases the entire mattress and will eliminate the passage of bed bugs in or out of your mattress. Serves as a means for treatment and prevention. Breathable 100% cotton fabric padded and quilted for better comfort, chemical-free material, bed bug proof zipper perfect and easy fit for your mattress machine washable in cold water and tumble dry on low heat it's up to 14" mattress twin: 38" x 75" x 14" this bed bug protector encases the pillow and will eliminate passage of bed bugs in or out of your mattress. Serves as a means for treatment and prevention.

We use diamond embossing technology to ensure that the mattress does not foam and extends its service life. In addition, we have treated the mattress with waterproofing, allowing you to drink water and eat in bed with peace of mind. This mattress comes in multiple colors for you to choose from.

Love it, the fabric is soft and you cannot hear any plastic noise ❤️ very happy. Anonymous. Sun Mar 29 2026

Easy to clean: this waterproof mattress protector is different than other common ones. It has a special additive on the surface. When liquids spill on the surface, you can simply use water to clean the stains after the liquid dried. 100% waterproof: the waterproof bed protector prevents things to damage the mattress such as urine, sweat, spills, etc. The bottom stops them from leaking into your precious mattress. Premium fabric: unique 3-in-1 air structure makes our mattress cover breathable. With great air circulation, our mattress pad would not cause any heat when you sleep on it. Highlightsluxurious soft knit fabric waterproof protection cool, breathable comfort stain release finish stretches to fit mattresses up to 21" deep.

Works like a charm! To be honest, I did not really need a waterproof mattress protector just more so a cover for our mattress. So when opening and noticing the waterproof lining underneath, I was nervous it might have some “noise” to it… but to my surprise once it was on, you couldn’t even notice a difference! As for sizing, I have a pretty high mattress, I believe it’s 14-16 inches and the cover fit perfectly and have not had any issues with it coming off and washing is super easy as well.. Gina. Minnesota. Mon Aug 03 2026

Upgrade your sleep protection with this Ultrasonic Quilted Waterproof Mattress Protector, designed for both comfort and flexible mattress coverage. Featuring a modern leaf-pattern ultrasonic quilting, this mattress pad cover enhances durability without needle perforations, helping maintain long-term structure and performance. The waterproof backing layer provides reliable protection against spills, stains, and everyday accidents, helping extend the life of your mattress. The soft quilted surface adds gentle cushioning while remaining breathable and noiseless for uninterrupted sleep. Designed with a 12-inch fitted pocket that stretches up to 18 inches, this deep pocket mattress protector securely fits most mattresses up to 14 inches thick. The fully elasticized fitted sheet style ensures a snug, stay-in-place fit without shifting or bunching. Ideal for bedrooms, guest rooms, kids’ rooms, dorms, and rental properties, this waterproof quilted mattress pad cover offers dependable protection, comfort, and versatility. Available in Twin, Twin XL, Full, Queen, and King sizes.

Arrive on time very fast and good quality super to protect my daughter mattress thank you.. Carolin. Edgewater, NJ. Sun Sep 27 2026

Every night your body sheds millions of skin flakes and loses up to one liter of body fluid through your skin pores and mouth. Up to 2 million dust mites can live in your unprotected mattress. Dust mites survive on dead skin cells and bodily fluids. Allergic reactions are caused by the waste and skin these dust mites leave behind. Exposure to dust mites has been proven to lead to the development of asthma in young children. Allergens produced by dust mites are the most common trigger for asthmatics. Dust mites have been shown to be a leading cause of eczema.

It’s soft and not noisy.. Msmom. Western Suburbs, IL. Mon May 18 2026

Form a soft, sealed barrier around your mattress with this waterproof and hypoallergenic mattress protector. The secure fit of this cover stretches to fit any mattress up to 22 inches thick (8 inches thick for any baby mattress), and its fitted construction makes it easy to remove for washing. The hypoallergenic cotton terry platform provides a comfortable sleeping surface while the sturdy microfiber base forms a waterproof barrier to protect your mattress against unwanted stains, spills, and moisture. Available in an assortment of sizes to fit every bed in your home.

prefect for the guest room, never have to worry with guests staying over now. Timothy. US. Mon Sep 14 2026

Rest easy with the premium waterproof Mattress Protector. This product provides the top of your mattress protection against allergens, stains, and liquids. The cotton hypoallergenic terry top is treated with Nanotex® technology, enhancing the fabric’s natural softness and breathability. Underneath, there's a polyurethane 100% waterproof barrier that repels liquids and protects them from stains. With the noiseless design, easy to care for, and durable, this product will provide long-lasting mattress protection.

Good quality and price, but I did not use it yet. Irma. Brooklyn, NY. Wed Aug 05 2026

Protect and upgrade your mattress at the same time with this waterproof, quilted mattress pad. The elastic fitted skirt stretches to snugly fit mattresses up to 18" deep, keeping the pad in place without shifting or bunching. A reinforced TPU barrier blocks spills, sweat and accidents, making this pad a reliable choice for bed wetting, postpartum recovery, period leaks and night sweats. The plush quilted layer adds a cushioned, pressure-relieving feel that pairs especially well with memory foam mattresses, while the breathable, skin-friendly fabric stays quiet and cool through the night. Fully machine washable and reusable, it's an easy way to protect your mattress without sacrificing comfort.

Protect your mattress without sacrificing comfort with this waterproof (only for the top part) mattress cover.Rounding out the design is the fully elasticized skirt that fits snuggly around mattresses.

Nice as described in the picture. Kongi. Sun Jul 05 2026

Protect your mattress while preserving the comfort you love with the Rudnick Waterproof Cotton Terry Mattress Protector. Designed with a soft terry loop surface and a discreet waterproof layer, this fitted protector helps defend against everyday spills, moisture, allergens, and unwanted irritants without changing the feel of your mattress. The breathable cotton-rich sleep surface promotes airflow for a cooler, more comfortable night, while deep stretch pockets create a secure fit for a wide range of mattress profiles. Quiet, smooth, and made for everyday use, this mattress protector helps extend the life of your mattress while creating a cleaner sleep environment. Perfect for family homes, guest rooms, children’s beds, and anyone looking for dependable mattress protection with everyday comfort.

Very nice quality and comfortable!. Anonymous. Sun Aug 02 2026

80% Cotton and 20% Polyester Terry Cloth Lining: 100% Polyurethane Laminate Skirt: 100% Polyester, Exclusive of Elastic.Helps protect against fluids, urine, perspiration and anything else that might stain your mattress.Quiet breathable King mattress protector that will allow a full night sleep while protecting your mattress.

Works really good. Matthew. Sarasota, FL. Sun Jul 19 2026

We use diamond embossing technology to ensure that the mattress does not foam and extends its service life. In addition, we have treated the mattress with waterproofing, allowing you to drink water and eat in bed with peace of mind. This mattress comes in multiple colors for you to choose from.

Enjoy uninterrupted, worry-free sleep with our Premium Zippered Mattress Protector, designed to keep your bed clean and comfortable. This high-quality protector creates a powerful barrier against bed bugs and dust mites, ensuring your mattress stays fresh while offering 100% waterproof protection against spills and stains. Crafted from breathable fabric, it promotes a cool and restful night's sleep without compromising durability. The extra-long, rust-proof zipper provides a snug, secure fit that’s easy to apply, while the hypoallergenic material makes it ideal for sensitive sleepers, reducing allergens and creating a healthier sleeping environment. Transform your sleep experience with the peace of mind that only our premium protector can offer.

There great really great. Chester. Mon Nov 10 2025

The mattress protector keeps your bed dry, cool and comfortable all night. Its waterproof polyester layer repels liquid spills and sweat penetration, effectively preventing damage to your mattress.Mattress cover certified tested for harmful substances with OEKO-TEX STANDARD 100 requirements. Our products quality are proved to be guaranteed, bring you and your family a healthy sleep. We're passionate about crafting products that truly matter to you.From conception to delivery, we're dedicated to ensuring your satisfaction and trust in every detail.

I love the bed mattress protector because my sheets are black and they fade on the white ones. It is waterproof and fits perfectly.. Carolyn. Houston, TX. Sun Aug 02 2026

Our premium mattress protector was created to protect the life of your mattress while also ensuring that you still have a soft, comfortable, and quiet night's sleep. This mattress protector has a 100% waterproof membrane backing that will repel all liquids to keep your mattress safe from stains.

Great quality.. Dana. Milwaukee, WI. Wed Oct 07 2026

Designed for hot sleepers or hot climates, Bedgear Ver-tex Mattress Protectors guard against spills while keeping you comfortable with a top layer of instant-cooling fabric that reduces overheating while you sleep. This protector features a Powerband® for secure fit and grip, keeping this layer smooth and invisible beneath your sheets – Adjustable base friendly.

Mattress ver-tex protector keep my bed cool even on hot nights.. Larry. Portage, MI. Mon Aug 21 2023

The mattress protector keeps your bed dry, cool and comfortable all night. Its waterproof polyester layer repels liquid spills and sweat penetration, effectively preventing damage to your mattress.Mattress cover certified tested for harmful substances with OEKO-TEX STANDARD 100 requirements. Our products quality are proved to be guaranteed, bring you and your family a healthy sleep. We're passionate about crafting products that truly matter to you.From conception to delivery, we're dedicated to ensuring your satisfaction and trust in every detail.

Well made. Waterproofed and Silky. Priced right. Would definitely order again.. Lynn. Savannah, GA. Sat Sep 12 2026

Bamboo Viscose Mattress Protector

The mattress cover is the perfect protector to keep your mattress clean and in great shape! Our high-end, luxurious mattress covers are completely waterproof and will protect against spills, stains, allergies, bed-wetting, dust mites, bed bugs, and mold. Our double brushed fabric is designed to be tough but breathable to keep you cool as well as protect your mattress. The extra strong elastic will hug your mattress and fit mattresses with pockets as deep as 18 inches. These covers can be washed and dried on low heat.