Features: Made of high intensity PVC for hard shell, water-resistant and wear-resistant, long-lasting durability. Large storage space with interior pockets, keep your items organized and orderly. Comes with hidden USB port, convenient to charge your phone with power bank(not included). Waterproof dual zipper system for quick access to your items, earphone hole is convenient to listen to music. Removable adjustable shoulder strap with quick release buckle, right/left shoulder interchangeable, adjust the length freely. Great accessory for daily activity, such as shopping, hiking, cycling, gym, weekend travel, etc.