[COMFORTABLE & ADJUSTABLE STRAPS] Adjustable hook and loop strap that could fit arms from 9.5 inches up till 14.5 inches.
[HIDDEN POCKET] Built-in storage pocket for your gym locker key.
[FLEXIBLE NEOPRENE FABRIC] Water-resistant neoprene armband that will not stretch out overtime.
[SAFETY REFLECTIVE STRIP] Creates caution and increases safety when running outside.
[ARMBAND MEASUREMENTS]: Point A: 24cm - 28cm / 9.5 in. - 11 in.; Point B: 28cm - 37cm / 11 in. - 14.5 in.
Super Popular iPhone 7 Armband GreatShield FIT Neoprene Stretchable Waterproof Arm Holder for Sports & Fitness Phone Case during Running Workout Gym with Key Slot for Apple iPhone 7 (4.7") - (Black)