Keep Calm Wash Your Hands Wholesale Novelty Metal Stop Sign BS-479. Wholesale 12" x 12" High gloss metal parking stop sign. Made of the highest quality aluminum for a weather resistant finish. It is lightweight & durable. Pre-drilled holes for quick and easy mounting. Add a ribbon, wire or string to instantly personalize your sign. Individually shrink wrapped and proudly made in the USA. Orders ship within 24-48 hours.