BOPAI Water Resistant Nylon 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 . ORGANIZED DESIGN : This backpack comes with two spaced compartments. One compartment includes soft padded sleeve to hold a 15.6 inch laptop. Another compartment can hold essential accessories. Comes with an organizer to hold mobile, power bank, etc. Spacious enough to hold clothings and office accessories. Front pocket to store diary etc. STORAGE : Total capacity :16 litres Dimensions: (L) 31 x (W) 11.5 x (H) 46 cm. Weight: 1.21 Kg. USB FEATURE : External USB port with built-in charging cable enables convenient charging by connecting your power bank with your electronic devices. COMFORTABLE TO CARRY : Ergonomic design of back and adjustable anti-pressure foam padded shoulder straps reduces stress and also promotes air circulation.