KRUUSE Rehab Knee Protector (-XL Right) helps dogs with lameness and joint pain to an improved quality of life Good for dogs who have had ACL surgery This protector has both elastic and a stabilizing effect With the KRUUSE Rehab Knee Protector you can help the dog directly with supporting the joint and muscles until it is no longer deemed necessary Suitable for Rottweiler, Bernese Mountain dog sized dogs.