corelle 1061918 428-pc 6.5" white round plastic lid (6-pack) corelle these 428-pc white plastic round replacement lids from corelle are made from durable, bpa-free plastic, making them safe for use in the microwave, refrigerator, and the top rack of the dishwasher. made to snugly fit 28oz corelle bowls, these sturdy plastic lids are excellent for storing and reheating food, keeping leftovers fresh for longer, and preventing artful splatters from decorating the inside of the microwave.