YIPINU Size S, for Cell Phone within 5inch Waterproof Sports Armband Bag Night Running Double Zipper Arm Case - Silver Put the armband in the sun during the day, the LOGO will glow for 20 minutes at night which ensures your safety Water-repellent fabric, effectively prevents the penetration of rain and sweat Two layers of separation storage, can hold small objects like cash, coins, keys, and ID/credit cards Double zipper design, convenient to reserve hole for your wired headphones Specifications: Material: EVA + diving fabric Product size: 16*8.5*2cm Arm band length: about 34-51cm Suitable arm circumference: about 22-34cm Compatible with: Universal Package included: 1 x Sports Armband Bag Other items not include