Small size with multiple pockets: there are total three zipper bags, a small front pocket for cards, coins, etc., a middle main pocket for earphones, power banks , etc., and a separate inner open pocket for cash and mobile phone, compatible with up to 6.5 inch screen, such as iPhone XS Max/XS/X 8 Plus, Samsung Galaxy Note 9 / S9 Plus / S9, the Huawei P20 Pro and more. Durable Material: This fitness armband is made of sturdy and durable nylon, with smooth metal zippers and a breathable mesh back and quilted. Comes with a hook, an adjustable detachable shoulder strap and a Velcro armband, providing a soft, odorless and lightweight wearing experience. Soft and lightweight armband bag: This sports armband has a belt Elastic and adjustable arm strap that stays snug on your arm without being too tight or too loose. The arm belt is 30 cm long. It also comes with a 150cm long adjustable shoulder strap which is suitable for both boys and girls. Safety with the reflective strips: This sport running armband not only protects your items, but also thanks to its unique silver reflective bands. The glow of the reflective strips will provide better visibility even when running along the road in dark weather. Ideal sports partner: The sports armband is suitable for the gym, heavy training, extreme exercise, to fitness, yoga, walking or outdoor activities such as running, jogging, cycling, hiking, fishing, cross training, mountaineering, camping, daily leisure travel, etc.