Seamless & Anti-SlipThe sun protection sleeves with a quality fabric material and delicate sewing skills. And the fabric is reinforced and will not unravel or tear easily even washed for long times, and will not be easily ripped off because of the elaborate sewing with high-quality articulated seaming.Stretch to Fit and WashableThe arm sleeves for women is 14.17 inch/ 36cm and max stretches to 47 inch/ 120cm. the upper arm circumference is 3.8 inch/ 9.7cm. The sun sleeves for men are stretchy, one size fits all, and volleyball arm sleeves is easy to machine wash and hang dry.UPF 50 UV Protectionarm sleeves for men are made of premium soft fabrics, 90% Nylon and 10% Spandex. And uv sleeves for men can block over 98% of harmful UVA and UVB rays to prevent sunburn, skin aging, which offer full UPF 50+ protection. Perfect for hot sunny days to protect yourself and others from the sun.For All Sports & Outdoor Activitiessun sleeves for men uv protection are suitable for long hours under the sun, which will keep you comfortable and cool, whether you're driving, running, golfing, fishing, playing basketball, cycling, hiking, or even gardening. You can be protected one day long while doing any outdoor activity.Tattoo Cover up Sleevesuv arm sleeves for men can cover the tattoo, keeping arms cool and dry. For complete tattoo coverage, please choose black sleeves. Black arm sleeves can cover the tattoo completly, but white arm sleeves do not tattoo well.