1.COMFORTABLEThe running arm band is The super elastic feature of Spandex makes the arm phone holder comfortable to ware comparing against the armband made from other material. 2. POCKETSThe storage space is large enough, the front pocket can be put into size mobile phone, the back pocket with lid allows you to carry keys, bank cards, cash, etc. with you. 3.BUILT-IN protect your phone from the impact of external forces, at the same time it allows you to quickly take out the phone, after answering the call, you can quickly put the phone in your wrist bag, no need to remove the wrist bag, 4.DESIGNED The design makes it the perfect phone armband for an active lifestyle. If you like outdoor activities such as fitness, running, cycling, weightlifting, walking the dog, hiking, or in the kitchen