Sherpa Bags: Original Sherpa Bag at PETCOThe original and best soft-sided carrier approved for on-board use by most major airlines.Quality features and functions designed for travel on planes, trains, in the car, or on your shoulder, long distance or just around town. It's the safest and easiest way to carry your pet in the first class style and comfort you both deserve.Fits comfortably under airplane seats.Durable quilted nylon.Seat belt/wheel safety strap is perfect for securing the bag to a car's seat belt, roll-aboard luggage, or wheelies.Mesh panels on three sides for adequate ventilation.Front and top entrance with zippered closures.Reinforced bottom and handles.Removable, washable faux lambskin liner for added comfort.Adjustable shoulder strap doubles as a leash.Inside leash ring.Roomy zippered pockets.Photo ID tag.Built-in accessory pouch.Expert construction with heavy-duty stitching.Easy-clean fabric resists stains and looks great even after years of use.Folds flat for easy storage.Sherpa Bags are recommended by the ASPCA, Delta Society, Humane Society, veterinarians worldwide, and many four-footed friends.Underseat dimensions will vary, so check with airline prior to booking.