This is a pair of outdoor arm protective sleeve. Adopted from material, the arm sleeve is and comfortable for you to wear meanwhile it can keep your arms cool and away from sunburn. No more hesitation, choose one to live a cool summer. Features - Color: White. - Material: Ice silk fabric. - Size XL: About 44cm (Sleeve Length), 31cm (Biceps Circumference), 20cm (Lower Arm) - Size L: About 42cm (Sleeve Length), 28cm (Biceps Circumference), 18cm (Lower Arm) - Size M: About 40cm (Sleeve Length), 25cm (Biceps Circumference), 16cm (Lower Arm) - Size S: About 38cm (Sleeve Length), 22cm (Biceps Circumference), 14cm (Lower Arm) - Made of premium ice silk material, it is soft, comfortable and cooling. - Great Wear Experience and Protection. With UV protection, you won't get sunburn or bug bites. - For all outdoor sports and activities, such as golfing, cycling, fishing, driving, jogging, climbing, boating, gardening, basketball, tennis and so on. Great skin protection when you work outside or doing any outdoor activities. - With high elasticity, it does not creep down from your upper arm, fit very well. - A great gift choice for friends, family and co-worker.