Mini lunch box Heat resistant for 400 degree. Wide usage for dishwasher, Mircowave, Oven, ... -heating leftovers Pyrex glass is safe in the oven, microwave, refrigerator, freezer, and dishwasher Pyrex glass is non- ... All Pyrex Storage Containers, Casseroles and Baking Dishes are Microwave, Oven and Freezer Safe! We carry the Full ... Thanks again for looking! Heat resistant for 400 degree of Mini lunch box