The Pyrex Simply Store 6-Piece Glass Round Food Container Set includes 1-cup, 2-cup, and 4-cup round dishes with blue plastic lids. Pyrex glass is dishwasher, refrigerator, microwave, pre-heated oven, and freezer safe; lids are BPA-free and top-rack dishwasher and microwave safe. These dishes come with secure-fitting lids to keep food fresher longer. Pyrex glass is non-porous, so it won’t absorb food odors, flavors, or stains. You can choose from various shapes and sizes, depending on your food storage needs, and they are easily stackable to save kitchen space.