Ships from HongKong.It is UV Protection and Cooler.Perfect for Cycling, Fishing, Golf, Drive, Jogging, Claiming and other outdoor activities. Suitable for Indoor Activities too, even your workplaces. Hygroscopic and quick dry.Comfortable elastic and ultraviolet-proof. (Tiled Size)the upper arm:10.5 cm,stretched:18 cm;lower arm:8.5 cm,stretched:14 cm. Total lenght42 cm Strong radiating function,your arm will feel cool. The protective sleeve is your best choice when fishing,cycling,sporting… It can effectively prevent and curb the sun produces ultraviolet ray ,and protect our skin.