Prepare and Bake Your Meals with Ease! Our glass meal prep containers are oven-safe up to 450°F (232°C), allowing you to cook and bake your favorite dishes directly in the glass container. Simply remove the lid and place the container in the oven. Enjoy the convenience and versatility of preparing, cooking, and storing your meals all in one container. Preserve and Reheat Using one Container. Our glass meal prep containers are designed to be freezer and microwave-safe. Easily store your meals in the freezer for later consumption and reheat them in the microwave whenever you are ready to enjoy a delicious and hassle-free meal.