Back on Track dog hock wraps can help injuries heal more quickly and ease arthritic pain. Constructed of a neoprene outer shell, the interior of the wrap is infused with state-of-the-art Welltex fabric containing ceramic powder. The ceramic reflects your dog’s natural body warmth and creates a soothing far infrared thermal warmth. Medium The unique ceramic fabric creates gentle warmth, which is a well-recognized method used to relieve and heal injured muscles, joints, and tendons. Designed to comfortably fit a dog’s hind leg and hock area, the four attached Velcro™ strips let you quickly fasten and remove the wraps, as well as adjust their snugness. These leg wraps are ideal for both prevention and injury recovery.For specific injuries, we recommend that you speak with your veterinarian or therapist before starting treatment with our Leg Wraps. Sizing Inforation:SizeLengthTop WidthBottom WidthSmall7¼"6&fra c14;"4¾"Mediu m7 7/8"6¾"5 1/8"Large8¾"7 7/8"6¼" Instructions for measuring: The first measurement listed is the length along the non-velcro side of the wrap when it is closed. The second measurement is the circumference at the top of the wrap. The third measurement is the circumference at the bottom of the wrap. Measure the circumference of the dog's leg above and below the point of the hock roughly 2-3" depending on what size you may need. The circumference measurement will help determined what size you will need.NOTE: Our small size is NOT for the smallest of breed.Color: Black.Sold as a PAIRCare: Machine washable up to 86°F or 30°C. Use normal detergents that do not contain bleach or fabric softeners. Air dry only, do not tumble dry.