✅Developed by Doctors: While other elbow sleeves are cheaply made, uncomfortable, and sized inaccurately with a tendency to slip, our sleeve is developed by medical doctors with first-hand experience in managing patients from arthritics to athletes. Whether you are suffering from tennis elbow, returning from an injury, or simply wishing to curl heavier weights, you can trust in our sleeve. Ultimately for you, this means better relief, better elbow support, and fewer injuries..✅ Doctor Written Handbook included: Want to know more about your condition, treatment options available, our best tips, and exercises that can optimize the strength and function of your elbow to prevent injury as well as aid recovery? Read our handbook for your complete guide..✅ Excellent Customer Service: With all questions answered within 24 hours by a team that includes medical doctors, we offer a 100% satisfaction or money back guarantee so you can purchase confidently knowing you'll get any support you need..✅Comfortable compressive copper infused material: The high quality blend of 88% copper nylon and 12% spandex boasts the highest copper content, optimizing comfort allowing all day wear. Although thin, the material is strong and extremely durable. Sizing is tailored - please refer to sizing chart (image 2 on left) for optimum fit..✅Multi-use: whether it's tennis or golfer’s elbow, elbow joint disease, olecranon bursitis, compression/entrapment syndromes or soft tissue and sport-related injuries, our elbow compression sleeve will provide symptom relief in style!