SAVE YOUR FURNITURE. BAMBOO IS EXTREMELY DURABLE AND RESISTS MOISTURE. THESE COASTERS WILL SAVE YOUR FURNITURE'S SURFACE FROM EXCESS WEAR AND TEAR. DUE TO NATURALLY OCCURRING VARIATIONS EACH COASTER MAY HAVE SLIGHTLY DIFFERENT COLOR AND GRAIN PATTERNS. COASTERS ARE PRINTED FOR A VIVID, LONG LASTING IMPRINT. LASER ENGRAVING OPTION. DISHWASHER SAFE. 4" W X 4" L X 1/8" D