VanguardLock: Anti-Theft Laptop Backpack with Locking Zipper System Color:Black There is also a zipper

There is also a zipper closure pocket on both sides of the backpack

secure closures

including a large item pocket

2 front small items pockets

smooth and reliable Back Padding Design Thickened honeycomb sponge back padding

VanguardLock: Anti-Theft Laptop Backpack with Locking Zipper System Color:Black There is also a zipperHow the Locking Zipper Works: Pull both zipper heads together until they meet. They lock in place and cannot be separated. To unlock, simply slide the zipper heads toward the side with the pull tab until they reach the base, where a clear unlock icon appears, and they release. Crafted from water repellent fabric, this anti theft laptop backpack features a locking zipper system that secures both zipper heads together they cannot be separated until slid