Bag dimensions:17.3 x 11.8 x 5.0 inches; Fits up to 15.6 inches laptop. More room for keeping 2 days summer clothes. Main Zipper with code lock. With lock, you could lock the zipper with your own code, totally meets your safe daily life with the bag, easily protects your items like electronics or documents. USB 2.0 Charging port design. Built-in USB cable. Use it to connect the power bank, then connect your phone with original USB cable to the USB port, you could charge your phone conveniently. Main compartment include laptop compartment, tablet compartment, phone slots, power bank slot, notebook pockets etc. A safe carry style for your city life,CoolBELL 15.6 inch anti-theft laptop backpack. It is convenient and safe for your trip / work / weekend life. Bag include Number lockalso Brand coolbell SKU 100206051_NP-1020455035 Closure Type Zippers