The New Trader Joe's South California Reusable Bag is a medium-sized shopping bag made of polypropylene material, featuring a multicolor all-over pattern. With a capacity of 6 gallons, this original reusable shopping bag is both waterproof and foldable, making it convenient for everyday use. The traditional style and personalization options of this bag make it a practical and stylish choice for any household in need of a reliable shopping solution.