JOY ROOM Bag Anti-theft Proof Water Resistant

ANTI-THEFT BACKPACK -This Backpack apply anti-theft design techology .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 schoolUSB CHARGE PORT AND WATER REPELLENT FABRIC– External USB with built-in charging cable offers a convenient charging of your electronic device anywhere, and this bag do not include a battery, you need a power bank to charge itMULTI-COMPARTMENT BACKPACK – 30 or 90 adjustable main compartment ,equip with varies function pockets for pens ,phone ,wallet and some slim 15.6 inches laptopNIGHT SAFETY BACKPACK – There is a retro reflective tape on the front of the bag which makes this backpack more conspicuous in the night. This is a safe backpack for you to walk in the nightSIZE AND CAPACITY – Size :11.02 X 4.92 X 17 inches. Capacity :12 L2017 New Back Design: Apply high quality EVA material, back of this backpack will not change the shape even in a heavy carry, which will protect your back and your laptop. Very comfortable to carry and it’s so ventilate, you will never feel hot by carrying this anti- theft backpack.