Tell the world you?re a fan with your team magnet. On your car; around the office; or at home; your magnet looks great! It adheres magnetically ? or use thumbtacks to attach to non-metal surfaces. It's made of heavy gauge magnetic vinyl; so it lasts and lasts. Colors stay bright; indoors or out! Plus; it's flexible; so it looks great on curved surfaces. The magnet is 12 in size."