Set of 6 round food storage containers with TrueSeal lids; glass made in the USA;Over-molded design keeps food and bacteria from getting stuck in lid;Glass container is dishwasher safe; lid is BPA-free and top rack dishwasher safe;Tempered glass for superior durability is freezer, microwave and oven safe (up to 425 degrees Fahrenheit) - lids are not oven safe;Set contains: 6 lids and 6 1-cup glass containers (12pc. total)