The Futuro Sport Tennis Elbow Support is designed to provide firm, stabilizing relief and compression for tennis players and non-players. It places gentle, targeted pressure on elbow tendons and muscles to help provide relief. Made of breathable, moisture-wicking material for comfort; easy to put on and take off; can be used on either elbow. Key Features Provides moderate support to weak, sore muscles and joints Adjustable straps for customizable support Flexible materials promote a full range of motion Wearable on either arm for versatility Provides support for stiff, weak, sore, and injured elbows Supported by a panel of engineers and medical professionals Caution for users sensitive to neoprene or neoprene-blend rubber Breathable, moisture-wicking material for comfort Nylon, Polyester, Polyurethane Foam.Futuro specializes in providing support and relief solutions for joint and muscle pain, known for their innovative and adjustable braces.Pull fastener through buckle, with the tendon pad cushion against skin. With fastener facing out, position tendon pad cushion below the elbow towards outer forearm. Tighten the strap until the fit is snug, yet comfortable.If discomfort or pain results, persists, or increases, discontinue use and consult a physician.