Product description Size: 18*9cm Color: black, blue, gray Material: waterproof material Package content: 1pcs mobile phone arm bag 1.Premium design: This lightweight unisex running armband is designed to fit all plus size smartphones with a slim/thin case. It can be used to carry phones, keys, cash, credit cards, and other essentials you might need for convenient access. 2.Safe & Convenient: The dual pocket style can better protect your phone when you are doing exercise. It can fit otter box case with your phones and the zippers can protect your phone from falling down during even intense sports. With the double-deck pouch, you can put your keys and phones separately to avoid scratching your phone. 3.Comfortable& Durable: The phone armband made of high-quality waterproof durable oxford fabric, which can effectively prevent sweat and rain from your phone. We design the back wider and breathable, which can effectively reduce the uncomfortable when the strap tight on your arm. 4.Multi-Use for All Activities: The phone holder is not only for running, exercise, gym, high-intensity workouts, fitness, yoga, walking, jogging but also great for cycling, hiking, fishing, mountaineering, camping, traveling, daily leisure, etc. It will be a perfect companion for all activities. 5.Quality This premium running armband is designed with high quality materials, including a reflective sweat-proof fabric, an anti-slip, non-itch, breathable mesh material in the back, and an adjustable elastic band to fit most.