Both woven and non-woven polypropylene bags maker which are made from recycled plastic. The difference is in how they are built. To make woven polypropylene plastic threads are woven together in a more traditional manufacturing process to create a durable material. To create non-woven polypropylene plastic fibers are bonded together. In both instances the fabric is durable, and when used to make reusable bags they will deliver years of dependable use.