Lodge Enamel on Cast Iron 3-Quart Casserole with Lid, Graduated Blue 3-quart casserole cast from molten iron in individual sand mold 2 layers of hard, glossy porcelain enamel are chip-resistant and easy to clean Matching lid fits snugly to seal in moisture; knob is oven safe to 400 degrees F Safe on gas, electric, ceramic, and induction cooktops; hand washing recommended Measures 10-3/4 inches in diameter and 4-1/2 inches deep; limited lifetime warranty