We offer three styles of this pet knee pad for you to choose from; please select based on your pet's specific needs. This product provides elbow support and helps improve mobility in dogs suffering from elbow arthritis, eczema, dysplasia, and shoulder dislocation. It protects dogs from elbow calluses and bedsores, and aids in wound healing. The patent-pending design is based on canine anatomy, ensuring a secure, comfortable fit that supports and protects the elbow in all positions—standing, walking, running, jumping, sitting, or lying down. Made with soft, breathable compression fabric, this brace delivers necessary support during the recommended period of use. The elastic strap and snug-fit design allow flexibility and sufficient freedom of movement, ensuring your dog remains comfortable while wearing it. This dog elbow protector has been tested for comfort, health, and support levels across popular dog breeds and has been veterinarian recommended. Size Guide: S: Leg circumference 11–13 cm, foot circumference 10–12 cm, foot height 9 cm, total height 24 cm M: Leg circumference 16–20 cm, foot circumference 14–18 cm, foot height 13 cm, total height 35 cm L: Leg circumference 22–28 cm, foot circumference 17–23 cm, foot height 16 cm, total height 41 cm