It's made of alloy. When you cook with this top grill, you don't need to spend too much time getting better food. There is an oil hole design at the bottom to ensure that oil droplets do not fall on the furnace. There is a screw design in the middle to control the oil output and tighten the oil. You need to put a bowl to hold the oil. It is suitable for people who like barbecue. It is suitable for barbecue occasions.