Libbey 12-Piece Save 'n Store Clear Glass Kitchen Storage Containers with Plastic Lids Contains four 1.7 cup, one 3.9 cup and one 12.9 cup containers and six plastic lids Made of glass and BPA free plastic Stackable and nestable, a great space saving storage solution Can be used in the freezer, refrigerator, or microwave, Note: plastic lids are not microwave-safe Dishwasher-safe