"Red. Set of 6. Coasters with case: 4.65""Dia x 1.62""H. Polypropylene. Clean with a soft, dry cloth - Made from a highly durable, stain-resistant synthetic resin, these lustrous stamped coasters are as elegant as they are effective. Use anywhere to protect delicate surfaces from drink glasses, small vases, candles or liquid table condiments. Then tuck them back into their sleek matching case for storage. They've had a busy day."