Digital building block backpack, animation primaryschool third and fourth grades light burden reduction, primary and secondary school students storage

Lining texture: Nylon Scenario: School education Image: Digital building block Function: breathable, wear-resistant, load-reducing Material: Oxford cloth Size: three-piece set (17-inch backpack + lunch bag + pencil case), 17-inch backpack, lunch bag, pencil case Carry system: Air cushion strap Popular elements: sewing line, printing Style: Childlike and cute Applicable School Age: Grades 3-4