Description: Package: 1Pcs/1Pair * Arm Sleeve About The Product: 1. Four Sizes : 4 sizes for your choice, you’ll always find one fit you. Please check the size chart carefully and choose a best one for you. 2. UV Protection: The fabrics of the arm sleeves are treated with ultraviolet light absorber that can powerfully absorb the high-energy ultraviolet and maximumly protect your arms from the sun’s harmful damage. 3. Anti-slip: with the ergonomic design, admirable silicone gel and elastic bands sewed into the arm sleeves, it’s hard for them to slide out of the place and bunch up. 4. Fits All: Our sleeves with super high elasticity, nonrestrictive, confirm to your arm shape, allow maximum freedom of movement without falling off. It is very comfortable to everyone to wear, from kids to adults, from small female to huge man. 5. Suitable for Outdoor and Indoor Sports: Great elasticity and breathability guarantee comfortable wearing, suits for all types of sports, such as basketball, football,soccer,volleyball, tennis, shooting, climbing, cycling, or others kinds of outdoor sports Specifications Material: Polyester + Lycra Color: Black High elastic breathable, protective arm, sun protection Avoid secondary injuries and reduce arm pain effectively Prevent muscle strain Physical movement potential