A premium, multipurpose item, both as school and college bags, the Back Packs are made from 100% guaranteed cotton canvas fabric, which is eco-friendly and re-usable.They have a natural raw finish and you can use them for groceries, travel, crafts, and projects, everyday errands, transporting items, and more. They are lightweight, with drawstring closures and you can also get them customized. The bags are machine washable.