Travel in comfort and style with Sherpa Airline Approved To Go pet carrier. Perfect for traveling by plane or car, for a trip, or just to the vet. The patented spring wire frame allows the rear of the carrier to be pushed down conforming to under-seat requirements. Carrier’s mesh panels offer ventilation, and locking zippers for safety. The seat belt security strap doubles as a luggage strap. Top and side entries make it easier to comfortably load pets. Large side zippered pocket holds your important pet travel needs. The no-slip shoulder strap is adjustable with a padded support for comfort. A soft, cozy, removable, and machine-washable faux lambskin liner is included. Sherpa replacement liners are available and sold separately. Approved for use on most major airlines. Small and medium sizes are included in Sherpa's Guaranteed On-Board program. How to measure pets. For the pet’s length, start at the front of the chest and measure to the end of the pet's rear. For height, measure from the floor to the top of the back. Sherpa Travel gives pet parents the best of all worlds: innovative products, stylish designs, environmental responsibility, and exceptional value with a variety of carriers, leads, mats, and straps, to meet a pet's needs for travel. Sherpa products are designed to meet child safety standards, backed by our 100% satisfaction guarantee. If a customer is dissatisfied with a Sherpa product for any reason, we will replace or refund it. The carrier has mesh panels for ventilation, locking zippers to prevent accidental escapes, and includes a seat belt security strap that doubles as a luggage strap.