Thank you for looking. This is a new, unopened arm wallet. It can be used to store your mobile phone, coins, keys, MP3 player, etc. when participating in sports such as jogging and cycling. You can keep your essentials on your arm, making your active moments more comfortable! The material is high-quality neoprene, also used in wetsuits. It has excellent elasticity and breathability, fitting snugly to your arm without causing stuffiness and minimizing pressure when worn. User type: Unisex