This backpack is made of eco-friendly polyester, which is roomy, lightweight, and durable. The Waterproof Folding Backpack will meet their needs with a 16 1/2″ x 13 x 6 1/5″ bag that holds supplies for hiking, traveling and picnics ,It is a perfect choice for outdoor sports, traveling, or shopping. You can also fold it into a smaller bag when you do not need to use it.Display your logo on it and let more people remember your company,You’ll be with them for the long haul with this featured promotion!