HODORPOWER UV Arm Sleeves Applicable Dimension-Unisex, one size fits all Our sleeves with high elasticity, nonrestrictive, confirm to your arm shape, allow maximum freedom of movement without slipping down, very comfortable for everyone to wear. Arms and Hands All Protection Prevent Skin Aging: Intense UV radiation do serious harm to our skin, sunburn and skin aging or even cause skin cancer; Keep Cool: Its ice cooling material makes you feel cooler even than bare skin, temperature drop as soon as you wear it. HODORPOWER arm sleeves have UPF 50+, Block 99% of UVA and UVB rays. When you are exposed to the burning sun with a short-sleeve shirt, your arms are in danger of getting sunburnt and skin aging. Our sun sleeves can be able to prevent your arms from such damages and give you the best comfortable touching. Protect your arms from wind and dust. While doing outdoor activities or working in a windy weather, wearing arm sleeves will be a good choice to keep your arms from wind and dust. An essential gear for cycling, building, gardening, golfing, basketball, tennis, fishing, triathlon training, jogging, driving the car, etc. Fresh Outdoors: ice material makes you feel cool in hot summer. Anti-slip Palm: covered with silicone dots enhances grip of bicycle handle. High Elastic: no annoying imprints all over arms. Easy off: taking off easily for the loop design on fingers. Free from Bug Bites: protect arms and hands from bug and mosquito bites. No Slipping Down: the anti-slip strip inside the forearm keep sleeves in place. WASHING INSTRUCTIONS: ① Can use a neutral detergent to wash in 30℃ water temperature. ② Soak for 10 minutes in detergent, cannot be steamed or boiled ③ please wash it with hand gently, do not scrub hard, avoid twisting force, do not scrub with brush.