When not holding snacks, lunches, and leftovers, these chromatic containers nest together in an orderly stack to maximize space and simplify storage. Heat, serve, freeze, and store in the same durable BPA-free plastic container; outfitted with airtight, snap-together lids in rainbow shades for fumble-free storage and quick identification. Freezer-, microwave-, and dishwasher-safe. Set of six. 152oz.