This backpack is made from leftover fabric and is therefore produced in limited quantity. 15L backpack. The fabric on the sides, front and top is waterproof. Front pocket with waterproof zipper w /reflective film. Strengthening fabric on the bottom and neoprene on the back for breathability. Adjustable shoulder straps and hook. Two buckle closing. The inside lining of the bag is quilted so it is perfect for storing a computer, cameras, or other delicate items. It is of course also great for storing food packs, extra clothing, or simply books. The bags measurements are 40cm x 35cm x 10cm.