Come and see our amazing products. DOUBLE POCKET DESIGN: Provides more storage space and avoids wear and tear.Flexible, lightweight and easy to fit on.BREATHABLE & WATERPROOF: High-density quick-drying breathable Oxford fabric, highly waterproof and safe in rainy days. The arm pockets are breathable, soft, comfortable, non-slip and lightweight.PROPER SIZE: the running armbands adopt elastic design, the circumference is 8 - 10 inch, fits men or women with an arm circumference of 8-15 inch, measure the circumference of the biceps to make sure it fits you.FITS ANY SIZE PHONE.MULTIPLE OCCASIONS: this arm bands for running can release your hands, so you don't have to leave your phone in your pocket. Pls confirm further with us if any query about packing info, inventory status and time schedule.