The Rachael Ray 58524 stoneware is dishwasher, microwave, freezer safe and oven safe to 500°F for ultimate versatility and convenience. The glazed interior is nonporous so foods won't interact. The contemporary and playful shapes in vibrant and fun colors go directly from oven to table. The extra wide handle holes allow you to get a good grip from any angle. This Round Baker is great for baking just about everything. The 1.5 quart covered round baking dish is ideal for baking cheesy pasta or your favorite casserole. With multiple uses, you can use it to keep mashed potatoes warm in the oven or as a serving dish for salads and slaws!