This street style backpack comes with luminous light and a USB charger for your phone or tablets. Backpacks Type: Softback Lining Material: Polyester Exterior: Solid Bag Main Material: Nylon Interior: Interior Compartment,Computer Interlayer,Interior Zipper Pocket,Interior Slot Pocket,Cell Phone Pocket Technics: Embossing Decoration: Ribbons,Chains,Letter Handle/Strap Type: Soft Handle Style: Fashion Women Backpack: USB Girls Teenager School Bag Teenager Chain Backpack: Letters print fashion Bolsas Mochilas Girls School B: Luminous Women Backpack