Product Information: Material: Oxford cloth Opening method: Zipper The internal structure of the bag: ID bag, mobile phone bag, computer pocket Function: Waterproof, wear-resistant Applicable gender: Neutral/male and female Applicable product types: Tablet PC, iPad, Notebook Style: Backpack/backpack pattern: Plain Style: Business Bag shapes: Square vertical section Lining texture: Polyester Strap root number: Double root Color: Blue, Black, Watermelon red, Army green, Grey Size Information: Size: 30cm wide, 44cm high, 15cm thick