BOPAI Anti Theft Nylon Laptop Backpack with USB Charging Port (Black) PREMIUM MATERIAL: This stylish slim 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 . ORGANIZED DESIGN : Soft padded compartment protects your laptop/ Tablet. Comes with an organiser to store pens, charger, powerbank etc. Front zipper pockets for storing office accessories, diary, documents etc.. Total capacity 4 litres Dimensions: (L) 29 x (W) 9.5 x (H) 13.5 cm. Weight: 0.8 Kg. 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.