The Bookworm 20L Backpack is perfect for everyday use. With a detachable pencil case, mesh bottle pocket and an elasticated inner pocket - it s perfect as a school bag or for a day out. Dimensions: 40.5 (H) x 29 (W) x 14 (D) cm. Practical - comes with a detachable pencil case Bottle Pocket - Elastic mesh storge space for bottles Inner Pocket - With an internal zipped mesh pocket.