Features 1. DURABLE MATERIAL: Cooling Arm Sleeve is made of durable, weather resistant and stretchy material. Arm Covers are chemical FREE and completely safe for you and your kids. Material is breathable, dries fast, wicks moisture away from the skin and makes your skin feel fresh all day. 2. ANTI-SLIPS & EXQUISITE STITCHING: Discover the one of a kind UV protection arm sleeves with special elastic band nonskid design and delicate stitching. Nonskid elastic band stick on your skin and won't let the sleeves slips annoyingly. These sleeves won't be easily ripped off because of the elaborate sewing with high-quality articulated seaming. 3. STRETCH FIT AND WASHABLE: With compression sleeves your muscles can perform for longer periods, recover more rapidly, protect better against injuries. And this sleeves are incredibly durable and stretchy. Easy to machine wash and hang dry. 4. PAIN RELIEF: Use as a lymphedema sleeve, tendonitis elbow brace or for pain in bicep, elbow or forearm. Reduce swelling and inflammation from sports including baseball, softball, football, or weightlifting. 5. 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. Expect ultimate comfort and protection wherever adventure takes you. Specification Material: Gel Color: Black Size: S: 21 x 11 x 2 cm, L: 21 x 12 x 2 cm Weight: 400 g, 435 g Package Include: 1× Sleeve