SPECIFICATION1.Package：Arm Sleeves x12.Material: Ice Silk (Lycra)3.Sun UV Protection: UPF 50+4.Features: high elastic, anti-slip, breathable,quick dry, lightweight,comfortable and durable.5. Wide Range of Uses:Arm Cooling Sleeves are great for basketball, soccer, football, volleyball, tennis or cycling,running, fishing and other outdoor activity.6.Washing Tips: Machine washable,Do not bleach, and the temperature of detergent shall not exceed 45 º C.Unisex UV Sleeves with 5 Sizes The Sports Sleeve with great elasticity (4 way stretch) are suitable for men women and youth.In order to fit the arm better, we have designed 5 optional sizes,S,M,L,XL,XXL.Great Gift Idea Gifts for women & men birthday, holiday, anniversary, Thanksgiving, Xmas,Christmas, Halloween,Valentine's Day, Father's Day Gifts To Your Family,Friends, bestie,Father And Mother.