Anchor Hocking 12-Piece 1-Cup Round Food Storage Container Set with White TrueSeal Airtight Lid, Set of 6 Set of 6 True Seal Containers with White Airtight Lids 1-Cup round glass containers with white True Seal lids Soft, pliable parameter allows for easy use Industry best seal technology Superior True Seal keeps food fresh longer Transparent window for viewing contents Glass is dishwasher safe Use top shelf of your dishwasher when washing the lids Glass is made in the USA