1. Material: Stretch Stretch Milk Silk: 92% Polyester + 8% Spandex Silk Screen Reflective Material;
2. Pockets of the cell phone armband case are designed to hold your mobile phone, small wallet, portable power bank, and perfect to hold small accessories like keys, cigarette, ID cards, credit cards, etc;
3. Elastic arm bag can be extended, suitable for a wide variety of people;
4. Reflective material, the light in the dark will be reflective, and increase the safety of night running;
5. Suitable for gym, walking, jogging, hiking, and bicycling.