Maoko 1 Pairs of UV Protection Cooling Compression Arm Sleeve [One Size Fits All] for Golf/Cycling / Basketball (Available in 12 Package Included:1 Pair(2 Pieces);Net Weight: 33g/pair High Performance Fabric - Aqua X technology keeps you cool, and protects your arm from harmful UV rays Size: One Size,about 16.1" long, 4.9" diameter for upper arm, 3.9" for wrist. Proven Compression Technology - Actively supports your muscles tight; offers great forearm protection & minimizes injury Can be wash by washing machine,non-fading.