OUR SHOWCASE COASTER PROGRAM OFFERS SUPERIOR QUALITY 4" ABSORBENT STONEWARE COASTERS IN BOTH ROUND AND SQUARE SHAPES FOR MAXIMUM IMPACT. OUR UNIQUE PRINTING PROCESS OFFERS A CHOICE OF A BORDER OR FULL-COLOR COVERAGE TO THE EDGE ON BOTH SHAPES. WHETHER YOUR LOGO CONSISTS OF ONE COLOR OR MULTI-COLORS, YOUR IMAGE IS PERMANENTLY IMPRINTED INTO THE ABSORBENT, BUFF-COLORED STONEWARE COASTERS. 4" DIAMETER