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 Body width 12-20 (adjustable) Body length 25-40 (adjustable) Car height 19-30 (adjustable) The reference bust is 24-40, suitable for pets weighing 4-9kg. The products include traction rope hook, rear collar protector, collar fastener, front collar protector, portable handle, side body strip, body length adjustment knob, height adjustment knob, height scale rod, two wheel bodies, fixed frame, body width adjustment plate, two width adjustment knobs, two heel protectors and two heel connecting belts. The body width adjusting plate is fixed at the rear of the fixed frame, the body width adjusting plate is provided with a width adjusting groove, two width adjusting knobs are slidably installed in the width adjusting groove, the width adjusting knobs are connected with the heel guard strip through the heel connecting belt, and the two wheel bodies are respectively rotated and installed on the opposite sides of the fixed frame. By adjusting the position of the side bar and height scale rod relative to the fixed frame through the length adjustment knob and height adjustment knob, it can be applied to pets with different shapes, with high applicability and convenient observation of the adjusted height. It can be manually adjusted by people with high flexibility. Designed for disabled pets: available for pets with injured or disabled hind limbs and for pets with limited mobility due to age.It is hoped that with the help of the wheelchair they will be able to stay active and maintain a high quality of life. High Quality: This wheelchair is made of lightweight aluminum alloy, which is resistant to wear, dirt, rust, durable and easy to carry. After wearing this wheelchair, pets can easily walk with it. Family: Pets are our family. Don't give up on them when they have a disability. A wheelchair will give them a second life. I wish your pet a speedy recovery!