Did you make a little too much? Or are you meal prepping? This Pyrex baking dish is perfect for storing your food, whether it's in the fridge or freezer. Ready to heat it up? You can place this baking dish directly from the freezer into the microwave or oven! The Pyrex baking dishes are made of borosilicate glass. Borosilicate glass is tempered and heat-resistant glass that is very suitable for use in the oven. If you happen to drop a product once, this glass can take a hit and won't break easily.