It is comfortable to wear this sports arm sleeve because it is highly elastic, breathable and non-slip. This sports arm sleeve can protect your arm from the harmful effects of the sun. This sports arm sleeve is ergonomic and has directional pressure function, which is designed by considering all muscle line of body to protect muscle and promotes faster muscle recovery. It is made of high-quality polyester and spandex material. There are three sizes for you to choose from. This sports arm sleeve is suitable for fitness, cycling, running, playing basketball and so on. Item Name: Sports Arm Guard Material: Polyester, Spandex Features: High Elasticity, Ergonomic Design, Sun UV Protection Size Details: M, Length: 40cm/15.75"(Approx.) L, Length: 41cm/16.14"(Approx.) XL, Length: 42cm/16.54"(Approx.) Notes: Due to the light and screen setting difference, the item"s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sports Arm Guard When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it