This outdoor stake sign is made of 1/8″ aluminum Max-Metal, which is an aluminum composite panel that is comprised of two .15mm aluminum sheets bonded to a solid polyethylene core. They are made to be used outside, so they will last a long while. Made from durable, 1/8″ aluminum Max-Metal Measures 8″ tall x 12″ wide and is 1/8″ thick Printing is on one side of the sign only. The back side is white Two holes are pre-drilled for easy mounting Handmade in our family owned business in Brownsburg, Indiana