Small Size:Suitable for 7-22 pounds dogs,Medium Size :Suitable for 22-48 pounds dogs,Large Size:Suitable for 48-70 pounds dogs,X-Large :Suitable for 70-92 pounds dogs.NOTE:Measuring your dog’s chest before ordering,please refer to sizing chart at the images section on our product page. Ideal for elderly dogs or injured,recovering co.ukom surgery or disease.Dog lift harness can support your dog’s hindquarters resulting in less stress and support dogs standing up, climbing stairs, getting on the vehicle and ect. Made of Waterproof Oxford Fabric + Breathable Mesh Inner,it can withstand the weight of most dogs,comfortable,brace and stabilize your pets weak hind legs after surgery or during rehabilitation. Easy to wear on design,with the comfort padded handle.Handle length:35cm/1.14ft,easily give your dog’s rear legs a lift and make you enjoy walking with your dog. Package included:1*Dog lift harness. Product description Made of Waterproof Oxford Fabric + Breathable Mesh Inner Easy to wear