#hobbiest outdoor Made of high-quality nylon material, breathable and durable, and it ensures all your items stay safe, dry and clean when you are running. With adjustable waist strap, so you could adjust the strap into a appropriate length for wearing comfortably. Earphone hole design of our running bag is for listening music conveniently while running and jogging. Perfect for wearing in traveling, cycling, running, jogging, climbing and so on.