These magnets are wonderful decorative pieces to use and display on any ferrous metal surface. They are crafted from a softer polymer clay that can resist drops and impacts, but are firm enough to retain their shape like a plastic or hard rubber. They use rare earth magnets for maximum strength and holding power. Each magnet is roughly 4-5” long and use 2 magnets along the snakes body to hold it well. They are sold individually and come in 2 styles.