Takes the weight off your shoulders. Sherpa-on-wheels utilizes easy-glide recessed wheels for smooth, quiet, steady motion. Detachable handle with padded grip for extra comfort, can also be used as a shoulder strap. Carry it or pull it. It's great either way. Sherpa Pet Carriers on Wheels Feature: Stylish light-weight design. Fashioned from black quilted nylon. New travel bed tray slides in and out and includes a soft, cozy, washable faux lambskin liner. Mesh panels and roll-up flaps on three sides for ventilation and privacy. Two entrances-front opening and U-shaped top zipper. Brass hardware. Inside leash ring. Extra large rear zippered pocket for all essentials. Photo ID tag. Fits comfortably under cabin seat. Approved on most major airlines (restrictions for air travel are dictated by each airline company). Washable faux lambskin liner in travel tray" (bed in bag). On wheel dog carrier bag. Mesh panels for ventilation. Top and side entry. Roll up flaps on three sides for ultimate privacy for your pet. Convenient detachable adjustable pull strap seconds as a shoulder strap. Large accessory pocket. A quilted texture for the ultimate fashion statement. Carrier rolls flat on four wheels no tilting to provide your pet with a comfortable travel experience. Available in black color and large size. Pets up to 22-pound. Measures 20-inch length by 12-inch width by 11-1/2-inch height."