• Neoprene material is waterproof, elastic, shockproof, breathable, wearable, comfortable, durable and lightweight
• Earpiece hole lets sports be relaxing and pleasing by listening to music simultaneously
• Double pockets with large capacity are great for holding mobile phone, keys, changes, bank cards etc. during running, cycling, fishing, exercise and other outdoor activities
• Band with widening design can fit your arm well and not easy to slip to allow you to do sports freely
• Band with hook and loop closure is adjustable for comfortable fit and can fix the bag on your arm securely