The generous storage space offers plenty of space for important documents and essential Klimbim z.b a 15 inch notebook. The classic pocket backpack is waterproof, extremely lightweight and durable. Outside is a front pocket with zipper and two side pockets. The main compartment is equipped with a zipper. The lining made of natural linen fabric has an inside pocket with zipper. The padded shoulder straps are made of washable kraft paper with breathable mesh and are adjustable with sturdy cotton straps.