1. Material: polyester
2. Function: It can install small personal items such as mobile phone, bank card, key, change, etc.
3. Applicable mobile phone size: 3.5-6.5 inches
4. Applicable sports: running, yoga, mountaineering, leisure
5. Good elasticity, strong air permeability, not stuffy and hot
6. Ultra-light fabric, one-piece close-fitting design, with earphone hole
7. Size: S, M, L, XL
8. Weight: about 70g/piece