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
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