Waterproof Children's Three-Wheeled Trolley School BagProduct information: Applicable gender: Neutral male and female Applicable school age: Primary school Material: PU leather Bag size: Medium Capacity: 36 55L Bag internal structure: Computer pocket Opening method: Zipper Function: Wear resistant, anti theft, lightening Strap root number: Double root With or without lever: Yes Style: OL commuting Lining texture: Polyester Size: 31*18*42cm Color: Two rounds of dark blue, two rounds of pink, two rounds of