Roll Top Backpack Rucksack with a Zip System Design That Allows the Top to be Rolled Up to Fit the Volume of the Backpack Rucksack. Made From High-Density 600D Recycled Polyester with Water-Repellent Coating & 210D Recycled Polyester Lining. It has a Main Compartment with a Padded Pocket for a Laptop Up to 14 Inch, Side Pockets & a Front Pocket with Waterproof Zip. the Laptop Can be Accessed From the Main Compartment or From the Back with the Zipper. the Mesh Back Incorporates a Trolley Strap. 20 Litre Capacity. 270 x 440 x 150 Mm; Certificates Available: Reach Minimum Quantities Apply.