"AbsorbaStone puts an end to messy beverage drips that can damage your furniture.  Extensive research has resulted in a unique bisque tile that is the most absorbent, and stylish coaster on the market today.  The porous surface absorbs drips before they reach the bottom of the glass or your favorite furniture.  AbsorbaStone cleans easily with mild liquid detergent and water for years of dependable service.  AbsorbaStone...Your furniture will thank you."