The cooling arm sleeves uses artificial fiber materials, which are breathable. Ice silk sun protection sleeves ensure its popularity. It can also prevent sun protection and UV protection at the same time, suitable for your daily wear. The product is small, light and easy to carry, can take it with you wherever you go. A must-have for cycling, driving, running, golfing, fishing, boating, gardening, basketball etc. Features -Color:White and Black -Material:Artificial fiber -Size:48.00X15.00X0.20cm/18.86X5.89X0.08in - Artificial fiber fabric can block harmful ultraviolet rays, thereby avoiding sunburn. - Summer cooling arm sleeves, fashionable appearance, it will make you more fashionable. - Ideal gift selection, suitable for friends who want durable and stylish arm sleeves. - In addition to sun protection, these sleeves can also make you cooler in summer. - Suitable for all outdoor activities: jogging, driving, cycling, fishing, football, basketball, tennis, etc. Package list: 1 x pair of arm sleeves