Feacture : -Made of nylon material, waterproof and scratch-resistant, lightweight and durable. -There is a USB port on the outside for easy connection to a power bank for charging. -Featuring multiple pockets and clear structure, it offers plenty of space to store all your essentials. -The adjustable shoulder strap can be worn on the chest, shoulder, diagonal, hand, or shoulder. -Suitable for hiking, walking, cycling, hunting, travel, school, business, gym, camping, etc. specification: Material: nylon Colour: black Size: 18*7*30cm/7.1*2.8*11.8in Package Include: 1x Cross body bag .