CRYWOLF Knapsack - Lucky DaysDetails Inspired by the classic school bag, the Crywolf Knapsack is a spacious, water resistant essential for everyday missions. Made using recycled materials, the Knapsack is fully lined and packed with features, including an internal 13" laptop pocket, adjustable padded shoulder straps, external bottle holder and a new zip close design for easy and secure use. Features: Made using recycled materials Exterior pocket for drink bottles Button close