Set of 2-Cup (6-Piece Set) round food storage containers with red plastic lids; glass made in the USA Red lids are BPA free Tempered glass for durability is freezer, microwave and oven safe (up to 425 degrees Fahrenheit) - lids are not oven safe Set contains: 2-Cup (6-Piece Set) glass containers American-made A healthy alternative to plastic, glass food storage is non-toxic, dishwasher, microwave, & freezer safe. It's the perfect choice for storing, reheating, and transporting food! 2-Cup, 4-Cup, 7-Cup (6-Piece Set)Round Containers w/ Red Lids Tempered glass & BPA-free plastic Dishwasher, Freezer, Oven & Microwave Safe (lid not oven safe) Glass Made in the USA. Anchor Hocking manufactures and markets a vast array of quality products for the home. Anchor Hocking is best known for their high quality glass tabletop and bakeware products manufactured in the USA since 1905