We offer three sizes of this pet knee pad for you to choose from; please select based on your dog's actual measurements. This elbow support helps improve mobility in dogs suffering from elbow arthritis, eczema, dysplasia, and shoulder dislocation. It protects against elbow calluses, bedsores, and supports wound healing. The innovative design is based on canine anatomy, ensuring a secure fit, comfort, and effective elbow support during all activitiesstanding, walking, running, jumping, sitting, or lying down. The soft, breathable compression fabric provides necessary support while allowing freedom of movement. Adjustable elastic straps and a snug fit ensure flexibility and comfort. Your dog should feel secure and comfortable when wearing this brace. This dog elbow protector has been tested for comfort, health, and support across popular dog breeds and is veterinarian recommended. Size Guide: S: Leg circumference 1113 cm, Foot circumference 1012 cm, Foot height 9 cm, Total height 24 cm M: Leg circumference 1620 cm, Foot circumference 1418 cm, Foot height 13 cm, Total height 35 cm L: Leg circumference 2228 cm, Foot circumference 1723 cm, Foot height 16 cm, Total height 41 cm Shipping: All orders are shipped within 3 business days after payment confirmation. Delivery typically takes 812 days, depending on location. For any questions, please we respond within 24 hours. Thank you for your purchase, and we hope you enjoy a positive shopping experience.