Multi-functional Universal Double Layer Zipper Sport Arm Case Phone Bag with Earphone Hole for 6.6 Inch or Below Smartphones

1. Size: 190*90mm
2. Weight: 73g
3. Arm circumference: 14-38 cm (adjustable at will)
4. Material: nylon
5. It has waterproof function and good air permeability.
6. Wear comfortably, lightly and without shaking.
7. Good quality and durability
8. Suitable for a variety of sports, such as running, yoga, cycling, etc.