Introducing the first ever refrigerator storage container with the freshness tray that not only keeps the produce fresh 33% longer and the freshness lid that saves on electricity but cooling the contest faster. Use veggie fresh containers from refrigerator to the microwave to even the table! Features: Veggie fresh refrigerator storage containers are certified to keep your produce 30% fresh. Microwave dishwasher freezer refrigerator environment and health safe. Specially designed freshness lids enable continuous flow of air & cool your food faster. This saves electricity. These containers are not airtight and not recommended for food storage outside. Containers are stack-able and nest able. One lid fits multiple bases. Perfect blend of convenience and design with ease of maintenance. Different sizes to meet all of your normal food storage needs. Containers nest for compact storage. Recyclable and Eco-friendly. Cutting edge microwave cookware only uses the best polypropylene (pp) polymer that is not only 100 % BPA free but can also withstand cooking (not in grill mode) in the microwave up to 100-105°c for any length of time as long as there is moisture content.