ADULTS ONLY (Over 18 Years Only) Adhesive, Notice, Warning, Sticker, Door Sign, Plaque. This information sign will look great in any setting available in silver and black / gold and black / red and white or yellow and black. Engraved with ADULTS ONLY 'Over 18 Years Only' this is an ideal door sign for bars, pubs, clubs, nightclubs, amusement arcades, casinos and any other adult only premises. Made from a tough and durable acrylic 1.6mm thick. It comes with a strong 3M backing which will stick to most surfaces. Waterproof and easy to wipe clean. Size approx. 4.7" W x 3.9" H.