DetailsFood storage containers feature crystal-clear, BPA-free Tritan plastic lids and bases with 360-degree clarity; they help keep food fresh and secureBuilt-in vents under latches allow splatter-resistant microwaving with the lid onStain-resistant material keeps plastic food container looking like new, and resists odorsContainers stack perfectly to one another to save space and stay organized in the pantry or fridge; great for picnics, parties, lunch, leftovers, meal prep, and moreSafe for the dishwasher, microwave, and freezer