spandex
3 Pairs UV Protection Cooling Arm Sleeves: Protecting skin from 99.8% UV, without sunburn or bug bites,keep your arm fresh all day. Three colors can always match your dress.
Special Protection: With innovative technology,these cooling arm sleeves will be absolutely cool in summer when wear on. However, it also can make your arm warmer in winter.
Fits Your Arm Perfectly: The length can vary from 15 inches to 48 inches, a good size for bicep in 8inch - 13inch.
Comfortable Arm Cover: 92% polyamide,and 8% spandex, it is soft and with a good elasticity. Making your muscle feel comfortable when doing sport.
Apply for Outdoor Activities: whether you're golfing, fishing, playing basketball, cycling, hiking, driving,gardening,working, it will be a nice solution .And even cover your tattoos well.