• TSA LOCK : TSA accepted luggage lock and flat open design allow you to navigate quickly through the airport security & keep items tidy. TSA customs lock can protect your items from thieves.
• INTELLIGENT INCREASE DESIGN : This backpack has smooth zippers on the back side. Once pull on 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 with your power bank inside which will charge your phone more easily. (Power bank not included)
• Convenient Structure : The invisible card pocket on the shoulder strap, easily taking out the transportation card to pass underground subway gate or pay on bus. The back has a strap which can hold the backpack upright on the luggage's pull rod for easy traveling.
• Invisible anti theft design : unique concealed double zipper increases the security of your stuffs inside. One hidden zip pocket for 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）