New rhythm box music game schoolbag backpack pencil bag three-piece set student heat transfer backpack

Lining texture: Nylon Scenario: School education Image: Rhythm Box Function: breathable, waterproof, wear-resistant, load-reducing Material: Oxford cloth Size: 17 inch backpack + satchel + pencil case Carry system: Air cushion strap Popular Elements: Other Style: Modern Cool Applicable School Age: Grades 3-4