Get our "Stop Do Not Enter Octagon - #4" design printed as a one sided sign or sticker. Signs can be printed on corrugated plastic or aluminum. Aluminum signs are only available on 12"x18" or 18"x24" signs. Aluminum signs come with 2 holes (1 in top and 1 in bottom). Corrugated plastic signs can be printed 6"x9", 12"x18" and 18"x24". (Stakes are not included)Stickers can be printed as 6"x9", 12"x18" or 18"x24". You can also add a reflective coating to your sign or stickers.