The Bange BG-22188 Premium Business Anti-Theft Laptop Backpack is a heavy-duty, tech-focused travel and commute pack. It features an integrated numerical security system and a molded, aerodynamic frame engineered to shield fragile gear from drops and harsh weather. Integrated Security Lock: Outfitted with an external high-strength zinc alloy numerical TSA combo zip-lock to securely lock your gear away from pickpockets. Dedicated Laptop Bay: Features a completely independent, shock-absorbable rear compartment that securely holds up to a 15.6-inch laptop and a 11-inch tablet.180° Clamshell Open: Designed with a structural suitcase-style zipper boundary that unfolds completely flat for smooth, hassle-free airport check security lines. Fast USB 3.0 Interface: Features an external USB-A fast charging dock so you can slide your power bank inside and juice up electronic devices while walking.