The neoprene running cover for the arm, of universal size between 4 and 6.5 inches, is designed for people who practice sports and lead an active lifestyle. This cover was made of the highest quality materials, resistant to moisture and sweat. It has a light and durable construction. The cover is easy to mount/dismount from the arm. Thanks to a special protective layer, the cover allows you to operate the smartphone display without problems, during physical exercises or pedaling. The cover has an adjustable arm strap, equipped with Velcro, of the best quality, which is equipped with special cutouts, which will allow you to connect the headphones, without problems. It protects against moisture and dirt.