ONE SIZE: 51"x7"/129.5x17.7cm, can lift dogs or mastiffs up to 100 lbs, this dog lifting sling harness comes with a dog lifter sling case for your storage. No bother to bend while walking your dog with Long handle. The dog lift sling harness comes with a bag for your storage, just fold and put it into the portable bag.FLEECE INNER PROVIDE COMFORT: Dog rear legs harness provides the strength and durability to handle your dog. Equipped with comfortable fleece, perfect for protecting dog.EFFECTIVE ASSISTANCE: Medical sling for dog back legs - dog support sling can help your dog walk, climb, and live a normal life again after the dog has suffered from degenerative myelopathy , hip dysplasia , ACL tears or other debilitating ailments. To assist your canine companions by preventing hip pain and injury caused by aging.END BACK PAIN: The dog rear leg harness is a great replacement to your traditional dog sling carrier when supporting your dog’s back legs. Stop bending over to lift your dog