XIAANQI Make a Massive Difference Built with 2 patented stainless steel springs inside which gives good stability and the contour of it prevents slipping and bunching, ensuring a proper fit. Pressure over targeted area help to reduce strain on the inflammed nerve. High Quality Manufactured from breathable fabric, it ensures that the wearer stays comfortably cool and dry. High grade neoprene covered with stretch nylon which will also help in the cold weather Works Well The magic stick adjustable design,after a mil times paste test no pilling durable. Easy to wear and to pack, portable to carry everywhere. Open type design, with soft edging, more comfortable to wear. Easy to put on one size is nee as you are able to adjust the support with the hook and loop to the size you need it to fit. There are two straps to wrap and a hole to put your elbow in. When on it doesn't cause any irritation to the skin and if put on just right you don't even know that it is on. Highly Recommen Release the pain and discomfort of the condition Lateral Epicondylitis. Applicable to joint discomfort / slight contusion / sprain / Arthritis / post-injury rehabilitation. Suitable for daily care and various sports such as Golf, tennis, badminton, basketball, rock climbing, cycling, etc. ColorBlack SizeOne Size Package include1*Pair Support for Elbow Protector