The Anchor Hocking 10-piece Mixing Bowl Set is a useful addition to any kitchen. It provides 10 different sizes of bowls for mixing and preparing ingredients for any recipe. Their durable construction makes them long-lasting and reliable, and the largest four bowls are safe to use in the microwave, the oven and the freezer. They are also dishwasher safe for easy cleaning. This microwave safe mixing bowl set has 10 bowls ranging in size from one ounce to 3.5 quarts, all made of tempered glass.A n c h o r H o c k i n g