Rubbermaid Premier Food Storage Container, 1.25 Cup, Grey (Pack of 4) Durable crystal clear Tritan plastic bases are shatterproof and resist stains and odors Updated lid design is easier to clean and dry, and helps prevent overfill spills Premier Easy Find Lids snap to bottom of container and to each other; bases nest inside each other for organization One lid fits multiple bases for quick storing needs Bases and lids are BPA free as well as microwave, freezer and dishwasher safe