Lock & Lock Nestable 6-Piece Set, Hsm3740, 3760, 3780 One 5- cup, one 7-1/2- cup, one 10- cup rectangular food container set with lids Made from BPA-free material Meets FDA standards; Material : polypropylene (p.p) Microwave, freezer safe, top rack dishwasher safe Durable and semitransparent; Easy to use and clean