BagBowl transforms any ordinary plastic bag into a perfect on-the-go serving dish. Gives structure to all kinds of bags from sandwich bags to 2 gallon zip locks. It’s ideal for picnics, potlucks and tailgates. When not in use BagBowl folds flat for storage. They’re made from BPA and phthalate free polypropylene (the type of plastic used for milk jugs) and are microwave and dishwasher safe.