SUPOW UV Protection Cooling Arm Sleeves, Sunblock Arm Tattoo Cover Sleeves for Women&Youth&Men, 1 Pair Outdoor Activities Running Golf Cycling Basketball Driving Fishing Long Arm Warmer 100% high elastic knit lycra material: Our arm sleeves adopt the lycra fabric, which has high flexibility Uv & sun protection factor over 99%: Outstanding UV & sun protection function Compression design promotes muscle & joint recovery: Compression design technology can relieve your arm from muscle stiffness Stretch size perfect for men & women: Size: 14.6 * 4.9 * 3.9 inches(l * arm dia * wrist dia)