Features . 3 mm. Thick aluminum base. Ultra-durable. Rock like finish 50 harder 40 more resistant to abrasion. Internally reinforced nonstick coating. Ergonomic cast stainless steel handle. Tempered glass lid with steam release vent. Oven-proof even on broil up to 450 F. Easy to clean dishwasher safe. Size - 7.5 in.