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. Unisex UV Sleeves with Versatile FunctionsThis cooling sleeves can be great arm protectors for thin skin and bruising, provide sun protection for people who work or play sports under sun for long time and can also be used for cover tattoos in some special occasions. Multiple Occasions Arm Sleeves Volleyball: Compression sleeves for arms are designed for protecting your skin from scorching in some outdoor activities like volleyballing,golfing, fishing, cycling, hiking, driving, gardening and running. Seamless & DurableThe compression arm sleeves with a delicate fabric material and fine sewing skills. The fabric is reinforced and won't unravel or tear easily even washed for long times.(with laundry bag for machine wahing,hand wash is more recommended) One Size Fits MostThe natural length of men & women arm sleeve is 15 inch and max stretches to 33 inch. the upper arm circumference is 3.7", max stretches to 8 inch.They are durable and stretchy, great fit for all shapes and sizes and teenagers as well as adults of all ages. 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.