Mysignboards Stop Sign Aluminum Metal Road Highway Traffic 12X12&rdquo; Street Signs Sale [HEAVY DUTY INDUSTRIAL GRADE] ALUMINUM COMPOSITE MATERIAL W/ UV PROTECTED INK: Created to be heavily resistant to weathering; NEVER RUSTS, CRACKS, OR FADES. It has a smooth surface for EASY CLEANING and Scratching Resistance [PERFECT SIZE]: Entering the ring at 12 inches wide x 12 inches tall, this 1/8" (3mm) thick OCTOGANAL SHAPED sign will STOP ANYONE IN THEIR TRACKS [LIGHT WEIGHT PERFECT FOR THE DOOR]: Make your rebellious teenager happy ;) [NOT YOUR AVERAGE HOUSEHOLD SIGN]: Our sign is made to handle tough outdoor conditions, snow, sleet, hail, rain whatever enemy the weather throws at it. Its so good it might just STOP the rain [ROLLS WITH THE PUNCHES LIKE ROCKY]: Average Sign Lifetime ranges from 6 - 9 years