• Easy to use: the side zipper makes it easy to put on and take off the trailer bag. • Adaptable design: the chest adjusts with an elastic band for greater comfort. • Composite board: consists of 4 universal silent wheels and a sturdy board. • Breathable: mesh ventilation on the top for better air circulation. • Oxford fabric: protects your pet's hind limbs and chest. • Our dog wheelchair is dedicated to providing safer and more comfortable aids to protect your pets.