WoW! Practical 'roll-top' backpack made from sustainable materials: RPET polyester (made from recycled PET bottles) combined with a high-quality cork. This backpack has a large main compartment with a separate section suitable for a laptop up to 15.6 inches in size. In addition, there are two pockets on both sides and a large zipper pocket on the front. Also included is a carrying loop, roll closure and handy click system. The perfect bag for everyday use. Capacity approx. 25 litres.