Ezyoutdoor 10 Pair Cooling Arm Sleeves Cover UV Sun Block Protection for Camping Bivouac Hiking Exercise Sports Golf Riding Bike Outdoor Sports Random Color UV PROTECTION - High elasticity fabric. No pressure or discomfort in any activity comfortable;Cooler than bare skin, perfect for all outdoor & indoor activities NON-SLIP & QUICK-DRY - Using environmental lycra, safe and soft for you or your kids skin, no fade after washes. (Machine washable and dry-able, hand wash and air-dry is highly recommend) SEAMLESS DESIGN & COMFORTABLE - High performance polyester and spandex: fast sweat kick-away & fast dry;Unisex and Free Size: High elasticity, does not creep down from your upper arm, fit very well, no pressure or discomfort in any activity ONE SIZE FIT MOST - About 37 cm/14.5 inch long, 22 cm/8.6 inch diameter for upper arm, 16 cm/6.2 inch diameter for down arm High performance polyester and spandex: fast sweat kick-away & fast dry;UV Protection for various outdoor activities such as golf, tennis, fishing, baseball, climbing. 100% SATISFACTION CUSTOMER SERVICE - Suitable for Indoor Activites too, even your workplaces (You arms won't sticky on your desk).Package included:10 Pair of Arm Sleeve(Yellow,Pink,Blue,Black,Brown)(2 Pair for each color);Lifetime Warranty7-15 days shipping date with tracking number