This bag is made from polypropylene, a specially formulated non-woven material that looks and feels like cloth, and extremely strong. This bag can handle much more weight than you are likely to put in it. The bag features an elastic top with a Velcro strap to help secure the bag's contents, a rigid bottom for added support, plastic locks on the sides to attach to a shopping cart for easy loading, and top carrying handles. In addition this bag can fold up to a small hand bag for easy carrying. This is a great way to reduce plastic bag use, by promoting a reusable bag that is versatile enough to be used for more than just groceries.