Rubbermaid New Premier Food Storage Container, 1.25-Cup, Grey (4-Pack) 1-1/2-cup container made of shatterproof Tritan plastic Resists stains and odors for lifetime of clarity Flex & Seal lids are easy to seal and remove; window in lid for clear visibility Easy Find lids snap to bottom of container and to each other Dishwasher, microwave, and freezer safe