DURABLE MATERIALS - Cooling Arm Covers are constructed of durable, weather-resistant and resilient materials. The arm cuffs are chemical free and completely safe for you and your child. The material is breathable, dries quickly, and wicks moisture away from your skin, leaving your skin feeling fresh throughout the day UPF 50 PROTECTION - Our cooling UV protective case uses innovative technology to block over 98% of harmful UVA and UVB rays, so it provides UPF 50+ protection. We are perfect for hot sunny days to protect ourselves and others from the sun Non-Slip Delicate Stitching - Discover the one-of-a-kind UV-resistant arm cover featuring a special elasticated non-slip design and delicate stitching. The non-slip elastic sticks to your skin and won't let the sleeves slip off annoyingly, these sleeves won't get ripped off easily because of the delicate sewing and high-quality hinged seams STRETCH FIT AND WASHABLE - With compression sleeves, your muscles can function longer, recover faster and better prevent injury. This sleeve is very durable and stretchy. Easy to machine wash and hang to dry SUITABLE FOR ALL SPORTS OUTDOORS - Designed for prolonged, high temperature use in the sun, our lightweight arm sleeves keep you comfortable whether you're golfing, fishing, basketball, biking , hiking, driving or gardening, expect ultimate comfort and protection wherever your adventure takes you