1940 Running Mobile Phone Arm Bag Elastic Sports Wrist Bag, Colour: Black (no Logo)

1. Material: polyester, spandex
2. Function: can install mobile phone, bank card, change and other personal items
3. Applicable mobile phone size: suitable for mobile phones of all sizes
4. Transparent double pocket design, more storage space
5. Breathable and quick-drying fabric, not stuffy and hot
6. Reflective strip design makes it safer to travel at night
7. Smooth zipper, durable and not stuck
8. Dimensions: 12 x 18 cm
9. Weight: about 42g/piece