Rescued Absorbent Coasters 4 Piece Set. These CounterArt decorative coasters feature a natural stoneware construction that absorbs drips and condensation from beverages, protecting your tables and countertops. The beautiful, detailed design is a transfer print with permanent ink that is FDA approved. A durable, natural cork backing on each coaster also prevents scratches on your furniture. These coasters measure 4 inches across and come packed in a set of 4. Makes a great gift.