This item is well-made of food-grade iron for durable and long-lasting use. With many hole cavities in each tray, it can be used in the gas burner, gas stove etc. With reusable design, it is really a wonderful takoyaki mold kit for choice. Features -Color:Assorted Color -Material: Iron, wood -Size: About21.90X11.80X3.00cm/8.61X4.64X1.18in - Made of iron material with fine workmanship, insures it has long service time. - Perfect for small octopus balls, non-stick pan, easy to use. Featuring non-stick, easy to clean. - It feels smooth and no edges, safe and lightweight. Smooth surface, easy to clean. - Perfect choice for making Takoyaki, fish balls, eggs, nonstick, easy to use. - Easy to clean, this baking tray can be washed with water and soap, never rust.