These Rubbermaid food storage containers feature vented tops for splatter-proof microwaving with the lid on and less moisture buildup. The Easy Find Lids snap to container bases as well as same-size lids, so you can always find lids when you need them, plus the containers nest together for compact storage. These versatile containers are great for leftovers, meal prep, and more, and have thick, durable walls for everyday use. They're BPA-free, and are built to withstand a wide range of temperatures, so they're dishwasher, microwave, and freezer safe.