Travel in comfort and style with Nova pet depot pet travel carrier. Perfect for traveling by plane or car, for a trip or just to the vet. Patented spring wire frame allows the rear end of the carrier to be pushed down several inches to conform to under-seat requirements. The carrier has mesh panels for ventilation, locking zippers to prevent accidental escapes, and includes a seat belt security strap which doubles as a luggage strap. Top and side entry options make it much easier to comfortably load pets in the carrier. A large side zippered pocket can hold your important pet travel documents and anything else your pet may need. The no-slip shoulder strap is adjustable and features a padded support for comfort. A soft, cozy, removable, and machine-washable faux lambskin liner is included. Nova pet Depot replacement liners are also available and sold separately. Approved for use on most major airlines. Available color is Gray. This carrier is airlines approved, in compliance with most airline standard size rules.Maximum size requirements of major airlines for soft-sided pet carriers: American Airlines: 18*11*11②United Airlines: 18*11*11③Southwest Airlines: 18.5*13.5*8.5 ④AlaskaAirlines:17*11*9.5⑤Canada AirLines:21.5*15.5*10.5⑥Delta AirLines: 18*11*11⑦JetBlue Airlines:17*12.8*8.5 How to Measure Your Pet: For 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.