Anchor Hocking delivers premium products and outstanding performance in all their products, this 6 piece round glass set is the perfect food storage containers. The Glass is pre-heated oven safe up to 425 degrees F. The tempered glass is also microwave, freezer, and dishwasher safe, and is up to 100% stronger than regular glass. These containers feature Trueseal technology a glass food storage containers help protect the flavor of food and will not stain or absorb odor - they are also stackable and nestable for easy storage. True seal a lids are designed to prevent spills and leaks, and lock air out while sealing freshness in. Anchor Hocking glass is made in USA. INCLUDES: 3 Bowls, 3 lids. SIZES: 7 Cup, 4 Cup, 2 Cup with lids.