This weighty cast-iron press compresses bread evenly, leaving grill marks on the top of sandwiches and distributing heat to help you make perfect panini. What it does: The press features a durable satin black-enamel finish, so there's no seasoning required, and a heat-resistant phenolic knob offers a safe grip when lifting.Compatible heat sources: Gas, electric, ceramic, halogen, induction and outdoor grill heat sources; oven safe up to 500°FSizing information: 9" square; 4.5 lb. Dishwasher-safe Enameled cast iron Made in France