This backpack is made from nylon, ensures a secure and usage. With USB interface, it allows you to make your mobile phone charging data cable connected to fast charge. It is perfect for business traveling, weekend , school, shopping and other outdoor activities in daily life. Features - ColorGrey - Material: Nylon . - Size: About 36 x 28 x 12cm. - Concise but not simple, high-grade material, extraordinary quality, lightweight, abrasion resistant, tear resistant. - Adjustable shoulder strap. Good breathability and comfort. - With USB port, offering a convenient charging of your electronic device anywhere. - Multi-function and large capacity design. Equipped with different storage bags, the items will be more organized and will have more reasonable storage spaces. - It is perfect for business, traveling, weekend , school, shopping and other outdoor activities in daily life. Package list: 1 x backpack