12-piece set of containers made with Tritan plastic that resists stains and odors * Set includes 3-cup and 5-cup containers plus two each of 1-1/4-cup and 2-cup containers (all with lids) * Flex & Seal lids are easy to seal and remove; Easy Find lids snap to bottom of container and to each other * Base and lids nest inside each other * Dishwasher, microwave, and freezer safe