UPF 50 UV PROTECTION: The premium soft fabrics can block out as high as 98% of harmful ultraviolet to avoid the sunburn, even sun spot. No more Sunscreen. CARE ABOUT WEAR EXPERIENCE AND PROTECTION: With unique seamless weaving technique, our stretch fit sleeves surely can be stayed on your bicep and do not make you itchy. The nylon & spandex blend in these tattoo cover up arm sleeves gives you that instant professional look without the sweat. You’ll always find ways to be covered with these arm sleeves. Leave a pair in your truck, and another in your gym bag. Switch them up at work, or share them with the team. With so many varied color combinations, there's always a choice for you. Great skin protection when you are golfing, driving, cycling, fishing, jogging, gardening, football, basketball, tennis and so on. Cooler than bare skin.