Give your customers the luck of the Irish during the next promotional campaign by handing out this shamrock-shaped cork coaster. This unique gift measures 3.75" and 1/8" thick, is made from natural cork material and is a must-have household item for protecting tabletops and desktops from cup rings and water damage. An ideal giveaway for St. Patrick's Day celebrations, Irish-themed events and more, it can be customized with an imprint of your brand logo.