We have three styles of pet knee pads to choose from, please purchase according to your actual needs Provide elbow support, improve the mobility of dogs suffering from elbow arthritis, eczema, dysplasia and shoulder dislocation, and protect dogs from Affects elbow calluses, decubitus and aids in wound healing Patent pending design is based on the dog's body anatomy so it adapts perfectly to the animal and ensures a secure fit and comfort while standing, walking, running, jumping, sitting or lying down Elbow Support and Protection in All Situations Down Soft and breathable compression fabric provides your dog with much-needed support during expected use, while elastic straps and a snug fit provide flexibility and plenty of freedom of movement. Your dog should feel comfortable in it This dog elbow protector has been tested for comfort, fitness and support levels on the most popular dog breeds and has a veterinarian recommendation Size: Small: Leg 11-13CM Foot 10- 12CM foot height 9CM total height 24CM M: leg circumference 16-20CM foot circumference 14-18CM foot height 13CM total height 35CM L: leg circumference 22-28CM foot circumference 17-23CM foot height 16CM total height 41CM Package contains: 1Pc