Rubbermaid Easy Find Lids Food Storage Containers, Racer Red, 30-Piece Set 1887941 Bases are made with Tritan plastic that resists stains and odors Flex & Seal lids lock in freshness and are easy to seal and remove 4 locking tabs create an extra secure lid seal that helps prevent spills Easy Find Lids snap to the bottom of the container and to each other to make finding the right lid quick and easy Containers stack smartly and fit efficiently side by side to save space 1-year limited warranty Microwave, dishwasher, and freezer safe BPA-free NSF Certified Made in the USA