Rusty Look - OUTHOUSE Sign. Looks great hanging anywhere! - 4 x 18" with mounting holes, made of aluminum and good for indoor our outdoor use. Please be aware that this sign is NOT actually rusty. The sign is new but the artwork is designed to make it look rusty and old. Thanks for looking! -measures 4" x 18" -made of aluminum, it will not rust - for indoor or outdoor use -with mounting holes -made in USA -high gloss finish