Milliput Superfine White 2 Part Putty is as versatile as Standard Milliput but its finely ground ingredients yield a much smoother surface that makes it perfect for modeling. To use it blend equal amounts of each stick by rolling and kneading until the color is uniform and free from streaks. It can then be used like modeling clay. Its versatility comes from these properties: Self hardening Non shrinking Tough and durable Sets underwater Electrically insulating Water, heat and chemical resistant Highly adhesive to most materials Moulds like putty - sets like rock 4 ounce package. Keep out of reach of children.