Product Description1. High quality material: Made of high quality nylon polyester fabric, durable, strong and lightweight.2. Adjustable waist belt and headphone jack: The durable waist belt is adjustable to fit the waist. Easy access to the headphone jack when listening to music.3. With Separate Compartment: Spacious pockets are enough to hold cell phone, passport, airline ticket, small wallet or other valuables.4. Waterproof: It will keep your stuff dry if it just rains or splashes (not fully waterproof). NOTE: It is "splash proof". But it can't be submerged in water, otherwise the water will enter through the zipper.