SmartBlonde 12" x 12" Lightweight AluminumRed Dye Sublimation Metal Novelty Octagon Stop Sign Lightweight and Durable - these fun and unique signs can be put anywhere and are sure to generate lots of fun conversation too. We carry only the Highest Quality Aluminum and Embossed Aluminum Signs that are Manufactured today. Sign Size: 12" x 12" Each item individually shrink wrapped w/drilled holes for quick and easy display and mounting. Red Dye Sublimation Metal Novelty Octagon Stop Sign.