Natural Stone Tea Coaster with Electroplated Edges. ======================== Price is for 1 pc ======================= Material : Agate stone Size : 3 inches (approx.) These coasters are made from the Agate Stone. Note: This is a natural stone product, sometimes stones and crystals have small imperfections and blemishes, and the color and texture of the stones are different from different lots Also, there will be other conditions such as cracks inside the stone are natural characteristics and do not affect the use.