ANTI-THEFT BACKPACK With Large Size -This Backpack apply anti-theft design technology .Zipper of main pocket is fully hidden in the back of this bag, no theft will easily open your backpack .This is super good for travel ,work or school.

Practical Design - External USB with built-in charging cable offers a convenient charging of your electronic device anywhere.

Ultra Light and Large Capacity - Only 0.35 kg/0.77 lbs, including 1 main pockets & 7 inner small pockets, provides a separated space for your Laptop within 15.6 inches, iPhone, iPad, pen, keys, wallet, books, clothes,bottle and more.