Fabric:Sunscreen arm sleeve fabric is engineered for cutting-edge performance and comfort, including our exclusive technology that accelerates moisture wicking for a cooler workout and helps keep the fabric fresh; Soft, lightweight, breathable, moisture wicking and quick dry to keep you active all day. Tattoo Cover Up: Need to avoid exposing new tattoos to strong sunlight? Tattoos need to be covered during working time, but the hot season makes wearing long shirts unbearable? Our tattoo cover up sleeves can perfectly solve these problems. The sweat-wicking fabric allows the new tattoo to breathe under the cover, keeping it cool and dry, and the tight weave allows the tattoo to be well covered. (Only Black Sleeves Can Cover The Tattoo, White Not) Durable & Easy To Clean Reusable and machine washable. Made from seamless microfiber polyester to provide lightweight durability, wrinkle resistance, stain resistance, as well as great stretch and flexibility while always retaining its shape. Foldable & Practical With portable and lightweight design, you can easily roll Arm sleeve into a compact size, which is very convenient to put it into any purse, backpack or handbag.Sunscreen arm sleeve are the best choice for regular daily use and outdoor sports activities, such as fishing, climbing, hiking, gardening, camping, traveling, boating, hunting, beach, park, golf, tennis, safari,etc. Superior Cooling: The sunscreen arm sleeve is ice silk fabric, which helps to cool your skin for 3 hours after absorbing sweat or water. It is the exact provides you with the cooling and comfortable feeling throughout the whole hot days.