4QT Mainstays Mixing Bowl is microwave, pre-heated oven, refrigerator, freezer, and dishwasher safe. Whipping up treats has never been easier! This mixing bowl allows you to do it all. Deep enough to keep your contents inside and easy to mix. This mixing bowl is perfect for your favorite baker or for your own kitchen. Glass is a healthier choice over plastic bowls; glass does not discolor, retain smells, or leach chemicals into food. A great addition to any kitchen! Mainstays Round Mixing Bowl 4qt * Clear Glass * Microwave safe * Pre-heated Oven Safe * Refrigerator Safe * Freezer Safe * Dishwasher Safe