These baking dishes are made of shock-proof borosilicate glass. Great for casseroles, stratas and lasagna. Made of borosilicate glass that can withstand extreme temperature changes, this Glass Bakeware allows you to take your dishes directly from the freezer or refrigerator to the oven or microwave without the risk of cracking or shattering. Generous handles provide a safe and secure grip while transferring, rotating them in the oven, and bringing them to the table. Each dish has measurement markings for a quick selection of the perfect size. The clean, elegant design gives them a perfect kitchen-to-table appeal. Oven, freezer, microwave and dishwasher safe.