Strong your mattress is an expensive investment, so why not protect it? Shield your mattress from spills, bed-wetting, bed bugs, dust mites, and allergens. Strong/the sleep defense system by their products brings hotel and Healthcare caliber bedding protection to your home. Featuring extra-tough seam construction, high thread-count polyester knit fabric, and a full 1ml thick polyurethane waterproof layer. Ultra-plush knit fabric is soft to the touch. It is fully breathable-does not trap heat and is cool to sleep on bed bugs are infesting homes and apartments at an alarming rate and mattress encasements are an effective defense. Help ease asthma and other respiratory symptoms by preventing allergens, dust mites, and bacteria from reaching the sleeper. It is fully zippered on 3 sides and features an allergy blocker to prevent allergens from exiting through the zipper. Bug flap and zipper lock ensure that your mattress encasement remains bed bug-proof for the life of your mattress. Please note: this protector is meant to handle only small amounts of liquid that are addressed immediately. Larger amounts of liquid and liquid that are allowed to sit for more than a few hours may eventually seep through the protector in the form of liquid vapor. Liquids with Strong odors may transfer odor to your mattress. Per spot clean or machine wash, tumble dry with low or no heat.