rachaelray.com. Multiple Use Stoneware: Dishwasher, microwave, freezer safe and oven safe to 500 degrees F for convenience and versatility. The glazed interior is nonporous so foods won't interact. Contemporary Design: Contemporary, playful shape in vibrant and fun colors goes directly from oven to tables. Flared Handles: Flared handles allow you to get a good grip from any angle. Perfect Portions: Add a personal touch to your meal by creating individual 10 ounce portions of your favorite dish for you and your guest. Bubble & Brown Square Singles are a super-cute way to serve up everything from mac and cheese to onion soup. - Rachael Ray. Made in China.