Question: what are signs made of?
Answer: Acrylic Signs. Acrylic signs are made of an extremely versatile plastic sheet with a glossy finish, which is also known as Plexiglas®. ...  Aluminum Signs. ...  Carved Wood Signs. ...  Coroplast Signs. ...  Corrugated Plastic Signs. ...  Corrugated Signs. ...  Fabric Signs. ...  Magnetic Signs.