5pairs Arm Sleeves Set Cooling Athletic Sport Skins Sun Protective UV Cover SB Package included: 5 Pairs assorted color arm sleeves Bike Arm Sleeve used for protecting arm from UV rays and it's cool more than bare skin It can keep you dry and cool in the hot condition and warm in cold condition Random characters are printed on the cuffs. One size fit with extremely elastic material (if you are tall or your arms are big, these probably won't fit) UV Protection over 99% - protect your arms from over exposure of the sun's harmful rays