Big lunchboxes or heavy project files are no problem with Greenland Zip. Its padded shoulder straps and back panel make for comfortable carrying and the backpack can also be carried by its top handles. An inside sleeve keeps your laptop safe and there is plenty of room for a sweater, book and anything else you might need through the day. Hardwearing, water-resistant G-1000 HeavyDuty Eco. Laptop sleeve with padded base (up to 13 inches). Volume: 16 litres. Recycled polyester, organic cotton. Main compartment with a large zippered opening. Two textile handles at top. Front pocket with zipper. Inside pocket for keys, etc. Padded shoulder straps and back panel. Impregnate with Greenland Wax.