90% Nylon, 10% Spandex Cooling & UPF 50 Protection: With innovative cooling technology & UPF 50 protection to block out over 98% of harmful UVA & UVB rays. For All Sports & Outdoor Activities: Designed for long, hot hours under the sun, our lightweight arm sleeves will keep you comfortable whether you're golfing, fishing, playing basketball, cycling, hiking, driving or even gardening. Lightweight fabric: lightweight, breathable and sweat wicking. The fabric actively wicks away sweat and provides a cooling effect. So these sunscreen sleeves dont just protect you from the sun, they also help keep you cool in the midday sun. Seamless Comfort: Unlike other sun sleeves that make you itchy and leave imprints all over your arms, these sun sleeves are seamless. We make sure you'll be comfortable and happy. Stretch Fit and Washable: Our sleeves are incredibly durable and stretchy. Easy to machine wash and hang dry. Our stretchy 90% nylon 10% spandex blend make them perfect for both men and women. Sold as 1 pair. One Size Fits All: These sleeves are made using 4 way super stretch fabric that stretches to over 4X its length. These sun protection will snugly fit men, women, adults and teens. The nylon-spandex fabric will stretch to fit all arm sizes and shapes.tips: Type A is palm-covering style Type B is a straight style