Sherpa American Airlines Duffle Pet Carrier, Medium, Charcoal Perfect for traveling in style and comfort by plane or car, for an adventure or just a trip 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 Mesh windows for ventilation, top and double sided entry with locking zippers for safety, reflective trim, padded adjustable, no-slip carrying strap, seat belt/luggage strap, machine-washable faux lambskin liner, folds flat for easy storage Large side pocket for convenient storage of treats, leash, bags, or anything else your furry friend might need on the go Approved for use on most airlines and included in Sherpas Guaranteed on Board program Select the carrier size based on your pets measurements first, then by weight, and allow enough space for your pet to change positions while inside the carrier For pets up to 16" L x 9.5" and up to 16 lbs Carrier measures 17 L x 11 W x 10.5 H