Borosilicate Glass : High thermal shock resistant. Ideak for baking in the oven and storing in the refrigerator Large handles grips: easy to grasp, even with potholders Oven safe up to 300°C - Microwave, diswasher and freezer safe Hygienic material and scratch resistant Deeper dish, more preparation, Weight: 3.9242282636 Pounds, Manufacturer: PIREX