Keep a clean table and an open bottle with this shamrock coaster that doubles as a bottle opener. Each 3 1/2″ plastic/metal coaster is green with a black slip- resistant grip on the bottom. Add your business logo or message to this coaster to create the perfect premium for Irish bars and restaurants, St. Patrick Day celebrations, and Irish-themed office, school or club events, or just give them away to clients and customers as tokens of good luck to do what they wish with them.