Diesel Jacob backpack. . Composition: 90%Cotton 10%Polyamide-Nylon . Top handle . Adjustable shoulder straps . Drawstring top with buckled flap . Inside: flat pocket . Unlined This backpack is crafted from stonewashed marble-effect denim, with nylon binding and contrast stitching. It fastens with a drawstring and buckled flap and has a reinforced canvas back. The iconic fifth pocket flag embellishment is a nod to Diesel's jeans.