Size Chart: S: Length 56cm, Width 14cm, Suitable for Dog Weight: 2.5-5kg, Dog Waist 44-48cm. M: length 65cm, width 16cm, suitable for dog Weight: 5.5-12.5kg, dog waist 54-58cm. L: length 73cm, width 18cm, suitable for dog weight: 12.5-20kg, dog waist 62-66cm. Very Comfortable - Your pup will love the comfort our lift harnesses provide. Soft, firm filling. Strong Velcro helps secure the elderly dog harness around the dog's torso. End Back Pain - No more bending over to pick up heavy pets. Attach our dog harness and you're ready to go The ease of use is outstanding. ASSIST DOG'S BALANCE - Use a heavy duty dog harness to help your dog maintain his/her balance outdoors. Your puppy will appreciate the dog lift support provided by our dog harness. Think of it as a moving harness for your dog. Includes a dog harness for extra support on road trips with your furry friend. Our harness clips onto your dog's collar and clips onto most harnesses. This reduces your dog's mobility during the ride and prevents him/her from putting unnecessary weight on the legs, knees and joints.