· Non-porous surfaces won't absorb food odors, flavors or stains· Glass dishes are dishwasher, refrigerator, freezer, microwave and pre-heated oven safe· Plastic lids are top-rack dishwasher safe, refrigerator, freezer and microwave safe· Lids and Vessels made in the USA· Included: (2) Pyrex 2qt Square 222 Glass Dishes & (2) Pyrex 222-PC Blue Lids