These lids make CorningWare baking dishes even more convenient by allowing the user to store their food in the same dish in which it was cooked. This set includes (1) CorningWare FS-1-PC French White 2.5 quart lid and (1) F-5-PC French White 1.5 quart lid. The FS-1-PC is a replacement cover for Corning 2.5qt casserole/souffle dishes from the French White collection. This 2.5qt lid is meant for the post-2000 era of stoneware dishes, so the lid could be too loose on pre-2000 dishes of the same model that are made of pyroceram. The appropriate lid for a pre-2000 dish would instead be a 7403-PC cover. The F-5-PC lid is a replacement cover for Corning F-5-B 1.5qt French White round dishes. The lids are safe for use in the refrigerator, freezer, and microwave. These lids are also BPA-free and can be easily cleaned in the top-rack of the dishwasher. Please note that containers are sold separately and are NOT included in this set.