EarthChoice mineral-filled polypropylene (MFPP) bases and polypropylene (PP) lids are strong, stackable, and moisture resistant so they can stand up to hearty and saucy foods. The clear lids present menu items beautifully and aids in order identification. The SmartVent system on the lids allows steam to release, keeping food hot and crispy even on the go. Customers enjoy that these containers easily go from refrigerator to microwave and are top-rack residential dishwasher safe. Customers enjoy that these containers easily go from refrigerator to microwave and are top-rack residential dishwasher safe.