SOLD IN 2PCS - The Compression Recovery Elbow Sleeve come in 1 pair ( 2PCS)- you can use them for each elbow and keep the other as backup. The other brands come in SINGLE one only .Highest Copper Content - Copper Compression products have the highest copper content. Guaranteed. Rather than spraying fabrics with copper, we infuse it directly into the nylon fibers. Our products are constructed with 85% copper-infused nylon. This innovative approach provides maximum benefits, extending the life of the product for a superior experience.Highest Copper Content Compression Elbow Sleeve - Compression Elbow Brace Wraps are designed to help you get the support you need for all day and all night comfort. Commonly used by people suffering from Golfers Elbow, Tennis Elbow, Arthritis, Tendonitis, Bursitis, Osteoporosis, and more .Keep Your Elbows, Forearms, And Upper Arms Compressed with our ultra comfortable fabric that gives you support while still allowing you to retain your range of motion. This is extremely important because by retaining your range of motion, your muscles can continue to work and strengthen.High Performance + You Can Wear It Everyday - Compression Padded Elbow Sleeves fit extremely comfortable and can be worn everyday to help you get the support you need Our high quality fabric will also withstand washing and will not lose its function over the course of time like many other products .