Leather Anti theft Luggage Backpack

Intelligent Increase Compartment Invisible Anti Theft Laptop Backpack Wear it slim for work/school or expand to enable travel-mode, this Leather Anti Theft Luggage Backpack is all you need for all your trips. A bestseller for its fail-proof invisible anti-theft pocket, on-the-go USB-charging slot, highly accessible card/id slot located on the backpack strap, and highly convertible design (backpack, hand luggage, or briefcase)! Product Features: Size: 17.7"x12.6"x6.3" or 45cmx32cmx16cm Slim for work or thicker for travel use Expandable compartment for up to 50% (1.9" or 6cm)  Waterproof genuine leather Comfortable breathable padded back Folded hidden water bottle pocket 8 Compartments: Invisible anti theft pocket, accessible card slot, main interior compartment, laptop storage, interior cell phone pocket, interior zipper pocket, interior slot pocket, and accessible front pocket  With its invisible pocket, you can guard your wallet and phone effectively while comfortably wearing