Composition: Polyethylene, Polyurethane, Nylon, Polyester, Spandex.Sizing: Ankle circumference measure 8.0 – 10.0 in.; 20.3 – 25.4 cm. Fits left or right ankle. Measure around the heel and the instep. Washing: Hand wash warm, no to tumble dry, no iron, no bleach, no dry clean. Intended Use: To support to stiff, weak or injured ankle. Always read the label. Use as directed. If discomfort or pain result, persists or increases, discontinue use and consult a physician.