Directional arrow design, use inside or outsideDirectional arrow is adjustable even after mounting. Molded construction with UV inhibitors slows the fading process when using outdoors.Sign features a 12H x 22 1/4"W dry erase board. Simply write your message using any standard dry-erase marker and wipe clean.Overall dimension: 15 1/8H x 25 1/2W x 3"D