Exclusive Design: The dog wheelchair has an aluminum frame, adjustable straps, EVA wheels, foam leg straps and a 1.5m/4.92ft dog leash. It's designed to help pets with disabled hind legs move comfortably outdoors. Aerospace-grade Aluminum Alloy: The pet wheelchair cart uses strong and lightweight aviation-grade aluminum alloy that's treated to resist corrosion and scratches. This makes the wheelchair durable and sleek. Easy Installation: The small dog wheelchair for back legs is easy to assemble with simple instructions, no extra tools needed. Adjustable Size: The doggy wheelchair/cart can be adjusted to fit pets of different sizes, including small dogs up to 15-35lbs. The straps snugly fit around the pet's hips for comfort. Comfortable Drive: Pets are one of our family members, and when their hind legs are disabled, please don't give up. A wheelchair may give them a second chance. With 5.5 inch EVA wheels and secure straps, the dog wheelchair for back legs provides a smooth and quiet ride for pets, ensuring stability and silence on any surface.