Sherpa Travel Ultimate on Wheels Pet Carrier The Sherpa Travel Ultimate on Wheels Pet Carrier allows you to transport your pet with ease. This stylish carrier features recessed wheels for easy-glide motion and a detachable padded pull strap, making traveling with your pet a breeze. Top and side entry makes it easy to get your pet in and out. It rides on four wheels for easy-glide motion. Mesh panels allow for ventilation, while roll-down privacy flaps allow your pet some quiet time. There is a rear pocket for storing necessities. Locking zippers keep your pet safe. A machine-washable faux-lambskin liner adds to the comfort. It is approved for most major airlines. Features: Makes traveling with a pet a breeze For pets up to 22 lb. Top and side entry Four wheels for easy-glide motion Mesh panels for ventilation Roll-down privacy flaps Rear pocket Padded hand-carry straps Padded adjustable shoulder strap converts into a pull strap Locking zippers Machine-washable faux-lambskin liner Small safety flag draws attention to the carrier while in use Patented spring wire frame in rear of bag pushes down to conform to most aircrafts' under seat dimensions Item Specifications: Size: 20"L x 12.25"W x 10.5"H For dogs up to 22 lb. A note about airline use: This carrier is approved for use on most major airlines. However, it is best to check with your specific airline before purchasing.