BOPai Hard Shell Tsa Laptop Backpack for Men Gaming Backpack for 17.3 inch Anti Theft Expansion Backpack Light Slim Black Usb Waterproof 15.6 Rucksack

TSA LOCK : TSA accepted luggage lock and flat open design permit you to navigate quickly throughout the airport security & keep items tidy. TSA customs lock can offer protection to your items from thieves.
INTELLIGENT INCREASE DESIGN : This backpack has smooth zippers at the back side. Once pull at the intelligent zipper, the invisible compartment will show up and equipped with extra of space.
Fast USB charging port design : with external USB port and build-in cable connected together with your power bank inside in an effort to charge your phone more easily. (Power bank not included)
Convenient Structure : The invisible card pocket at the shoulder strap, easily taking away the transportation card to pass underground subway gate or pay on bus. The back has a strap which is able to hold the backpack upright at the luggage’s pull rod for simple traveling.
Invisible anti theft design : unique concealed double zipper increases the security of your stuffs inside. One hidden zip pocket to your money , card and phone (any size).
Exterior Dimensions : 18.5 Inch(h) *11.8 inch(l) * 3.2 inches(w), weight: 2.9 ibs. Suit for 15-17.3 inch LAPTOP （included Gaming Laptop）