The Pyrex Clear Glass Nesting Bowls Mixing Bowl Set of 3 (#325, #323, and #322) is a vintage set of round mixing bowls made in America by the PYREX brand. These clear glass bowls are stackable, break-resistant, and dishwasher safe. The glossy finish and pressed glass production technique give them a unique and durable quality that makes them ideal for everyday kitchen use. With a nostalgic everyday kitchenware theme, these nesting bowls are perfect for all occasions and include features like being microwave safe, making them practical and versatile for various cooking and baking tasks.