AWOL CARGO Backpack - LargeAWOL Cargo Backpack is the most famous travel accessory on the market. It allows growers to carry their harvest safely from one place to another. It is made using high quality fabric and has strong seams. The backpack comes with a double flap and zipper to keep the smell and humidity out. Made Using Heavy Duty Material: This cargo backpack is made using industrial grade thick nylon material. This makes it water resistant and durable. Odor Blocking