Pyrex Round Casserole is made of borosilicate glass.Borosilicate glass giving high thermal shock resistance.Stain resistant and does not retain flavours.Conventional oven safe to 300 degrees C.It features ovenproof, freezer, dishwasher and microwave safe.This casserole has a capacity of 2.3 litre.Guaranteed for 10 years against manufacturers defect.