The Corningware 1.5Qt/2.5Qt white plastic lids make serving and storing easy and convenient. These lids are refrigerator, freezer and microwave safe. These durable lids do not easily bend or tear, and they feature a non-porous surface that doesn't absorb food odors, flavors or stains. Made from BPA-free plastic, these lids are dishwasher safe but can only be washed on the top rack. These lids are also made in the USA.