Protect those delicate serving surfaces from scratches and damage with these ceramic beverage coasters. These 4" square covers feature a full color imprint. What a great way to show off your business or brand at grand openings, trade shows, conventions and more. Create a custom set of four coasters and add an optional bamboo storage tray. Create a color scheme and add your school, sports team, organizational or company logo or message to customize a bold branded giveaway.