Description These arm sleeves make your outdoor activities safer and free. No worry be exposed to blazing sun or bites. The arm cover sleeves protecting you from sunburn. A must-have for summer hiking, driving, outdoor cycling, mountain climbing, basketball fitness and arm sun protection, etc. Features -Material: ice silk -Size(M): 41.00X10.50X0.20cm/16.11X4.13X0.08in Recommended arm circumference: 24-27cm/9.45-10.63inch -Size(L): 42.00X12.50X0.20cm/16.51X4.91X0.08in Recommended arm circumference: 27-30cm/10.63-11.81inch -Size(XL): 42.00X14.50X0.20cm/16.51X5.70X0.08in Recommended arm circumference: 30-33cm/11.81-12.99inch - Don't worry about UV, these protective sleeves protecting your arm very well. - Widely used, the product is suitable for arm sun protection in summer, like outdoor sports, hiking, driving, cycling. - Ice silk material, close-fitting and comfortable, breathable, cool. It will give you a good experience. - Using high-grade ice silk material, durable. You can use it without worry. - The product is small, light and easy to carry, so you can take it with you wherever you go. Don't worry about UV, these protective sleeves protecting your arm very well. Widely used, the product is suitable for arm sun protection in summer, like outdoor sports, hiking, driving, cycling. Ice silk material, close-fitting and comfortable, breathable, cool. It will give you a good experience. Using high-grade ice silk material, durable. You can use it without worry. The product is small, light and easy to carry, so you can take it with you wherever you go.