DescriptionSchoolbags for primary and middle school students, boys grades 4-10, three-piece backpackColor-4The product is shipped based on the color or size of the main image of the product page.Colour:Color-4product information:Product name: BackpackMaterial: NylonFunction: waterproof, breathable, lighteningLining Material: PolyesterSize: Length 30cm, Width 23cm, Height 46cmShoulder strap: adjustablePractical size and internal storage space-High capacityReasonably separate layout-Selected high-density fabricsIt has the characteristics of wear-resistant, scratch-resistant, water-repellent, and dirt-resistant