Upgraded version: 13 grooves are carved on the wheel rods on both sides, and the screws are screwed into the grooves more firmly and not easy to loosen; Increase the wheel size. It's easier to walk. And it's faster. LightWeight & Premium Quality: This wheelchair is made of lightweight aluminum alloy, wear-resistant, dirt-resistant, durable, and easy to carry. The weight will not cause pressure on your pet. After wearing this wheelchair, the pet can easily walk and run with it. Our aim is also to provide a free and convenient life for small animals with limited mobility, so that they can regain motivation. Build Confidence: Nothing makes them feel loved more than being able to run, play and explore with their families. Our pet wheelchair is designed to help pets with injured or disabled hind legs walk, run and play freely, helping them to return to normal life. Our dog wheelchair is equipped with dense foam wheels with rubber pedals to guide dogs to play on any terrain. They are stable and strong, and will not be punctured. Relaxing your pet's emotions is more conducive to recovery. Suitable Size: Body width 12-20cm/4.7-7.9inch (adjustable), body length 25-40cm/9.8-15.7inch (adjustable), height 19-30cm/7.5-11.8inch (adjustable), refer to bust 24- 40cm/9.4 -15.7 inches, suitable for pets weighing 4-9kg. Suitable for small dogs, poodles, bichons, schnauzers, pomeranians, papillons, Shih Tzu, Pekingese, small beagles and some large cats. Please check the size table before purchasing. If you have any questions, please Contact customer service in time Heart-warming Design: Whether the pet is a temporary back injury or a permanent disability, a pet wheelchair can help with recovery. It is the health of the body but also the comfort of the soul. The wheelchair is not only a tool but also the love for pets. The veterinarian's research has concluded that disabled dogs with wheelchairs have a longer life span, and let the dogs know that it is important to take care of them. They will happy and love you more.