The handles of this product are all 35cm in length, and are divided into 4 sizes according to the dogs bust: S 54cm, M 60cm, L 70cm, XL 80cm. Please measure the dogs bust first and then buy according to actual needs. It is very suitable for elderly dogs or recovering from injury, surgery or disease. The dog lifting harness can support your dog's hindquarters, thereby reducing stress and supporting the dog to stand, climb stairs, and get in the car. Made of waterproof 600D Oxford cloth + breathable mesh cloth, it can bear the weight of most dogs, comfort, support and stabilize your pet's weak hind legs after surgery or during rehabilitation. The easy-to-wear design, with a comfortable padded handle, can easily lift your dog's hind legs, allowing you to enjoy the fun of walking with your dog.