Anti-theft USB Charging 15.6-17inch Laptop Backpack for school or work

SPECIFICATIONS   color: black grey grey   style: College style, leisure style, business style Laptop compartment size: 27*39cm NOTE: Tigernu promise a lifetime guaranteed after-sales service for non-artificial quality problems caused by zippers. Brand Name: tigernu Exterior: Silt Pocket Interior: Interior Compartment Interior: Computer Interlayer Interior: Interior Zipper Pocket Interior: Interior Slot Pocket Interior: Cell Phone Pocket Model Number: T-B3142usb Handle/Strap Type: soft handle Style: Casual Technics: Anti theft Decoration: None Carrying System: Air Cushion Belt Capacity: 20-35 Litre Backpacks Type: Softback Item Type: Backpacks Pattern Type: Patchwork Lining Material: POLYESTER Rain Cover: No Main Material: Oxford Closure Type: zipper Gender: MEN Choice: yes semi_Choice: yes   Features:1.Large capacity2.Classic design suite for various occasions 3.Replaceable USB charging port 4.Anti theft double layers zipper5.Anti theft laptop compartment