Student backpack usb charging school bag youth computer bagGrayStudent backpack usb charging school bag youth computer bagGrayThe product is shipped based on the color or size of the main image of the product page.Colour:grayproduct information:Product name: school bagMaterial: NylonFunction: waterproof, breathable, lighteningLining Material: PolyesterSize: 28cm in length, 18cm in width and 48cm in heightShoulder strap: adjustablePractical size and internal storage space-High capacityReasonably separate layout-Selected high-density nylon fabricIt has the characteristics of wear resistance, scratch resistance, water repellent, and dirt resistance