Envision Home 423400 Thirsty Coasters, 4.5-Inch Diameter, Taupe, Set of 4 Cushions delicate stemware and does not stick to your drink ware Anti-skid backing helps keep the coaster in place Superior absorbency; holds more than 4 times its weight in water Dries amazingly fast Highly durable and machine washable in cold water with liquid detergent tumble dry low