World Kitchen 1113706 884408026189 Snapware 10 Piece Airtight Plastic Food Storage Bowl Set, Clear 10-Pc Airtight Plastic Food Storage Set BPA-free polypropylene container and lid are microwave, top-rack dishwasher, and freezer safe Snap Lock Lids are airtight and leak-proof for secure storage Remove & wash gasket before use to optimize seal