The coaster made of ceramic material, safe, stable and , reliable and stable, not easy to break or deform, cane serve you for a long time. You can place your beer cup, coffee cup, tea cup, cold drink on the coaster. Features - Color: Light Grey -Material:Ceramic - Size: 9.00X9.00X1.00cm/3.54X3.54X0.39in - Excellent workmanship, good texture, fine details, good decoration and beautiful appearance. - The coaster is simple and elegant, can be used dinging table, office, cafe, hotel, etc. - The simple coaster is perfect to be placed on tables for decoration, to make the table seem more tidy and elegant. - The coasters are smooth designed to prevent the table from being scratched. - The coaster is practical, which can keep your desk clean and prevent it from scratches, heat scald, and stains. Package list: 4 x coaster