THE CLOWNFISH Large Capacity Water Resistant Expandable Travel Laptop Backpack With Usb Charging (Black), 27 Litres PREMIUM MATERIAL: Made from high quality, waterproof Polyester material in grey color. Premium quality smooth zippers, pullers, buckles. EXPANDABLE DESIGN: This backpack has one roomy spaced compartment with a built in soft padded sleeves to protect 15.6 inch laptop, Tablet. Spacious enough to hold your clothings, folders, documents etc. Another expandable compartment comes with organised pockets to hold electronic diary, power bank, pens etc. Side pockets for waterbottle, folding umbrella. Front zipper pockets for mobile, glasses, passport, keys etc. Soft handle for better comfort. STORAGE CAPACITY & SIZE: The total capacity of the bag is 27 liters; Weight: 1.4 kg ; Dimensions: 31 cms x 18 cms x 48 cms (LxWxH) ANTI- THEFT DESIGN & CAPACITY: One hidden zipper pocket equips on the back to pack your money, cards, wallet. This invisible design increases the security of your belongings. USB FEATURE : External USB port with built-in charging cable enables convenient charging by connecting your power bank with your electronic devices.