This dish from Pyrex is suitable for various purposes. You can make a delicious tiramisu in it, freeze food or heat it up in the microwave. The bowl can be sealed airtight with the accompanying lid and is dishwasher safe. Pyrex bowls are made of tempered borosilicate glass, which is heat-resistant and excellent for oven use. The bowls come with a plastic lid to seal the contents airtight.