BOPAI Anti Theft Laptop Backpack with USB Charging Port (Black) PREMIUM MATERIAL: This stylish attractive backpack is made of water-resistant microfiber leather and durable ballistic Nylon material. The metal fittings, sliders, zippers, pullers used are durable and of . LARGE CAPACITY : Soft padded compartment protects up to a 15.6 inch laptop. Comes with an organiser to store pens, charger, powerbank etc. Front vertical slant stylish zipper pocket for storing office accessories. Side pocket for folding umbrella, waterbottle etc.. Total capacity :16 litres Dimensions: (L) 31 x (W) 11.5 x (H) 46 cm. Weight: 1.21 Kg. This bag comes with a compartment for extra space to store clothings etc. INVISIBLE ANTI- THEFT DESIGN : One hidden zipper pocket equips on the back to pack your wallet, money, cards. This invisible design increases the security of your bag. The ergonomic padded and breathable design gives support to your back and prevents sweating. USB FEATURE : External USB port with built-in charging cable enables convenient charging by connecting your power bank with your electronic devices. TROLLEY STRAP : The insertible pull rod box design allows the bag to slide over the luggage handle for easy mobility during traveling.