White Food Storage Square Polypropylene Containers with Lid Included Commercial Grade (2 Quart) Durable, functional and versatile storage container with a lid unbreakable polypropylene Seal-tight lid that lock in freshness, giving your food, snacks and ingredients a longer, more manageable shelf life Can be nested and stacked, has a marking for liter and quarts Safe to use in refrigerators, freezers and dishwashers; *NSF approved*