With heat-resistant and anti-slip design, the cup coaster can be used to hold hot coffee or hot dish plate for dinner and can perfectly keep them on the table without sliding. What the cup coaster can offer you is that it can effectively absorb dripping water or coffee stains to keep your table clean. Made of diatomaceous earth material, it is long-lasting. There are three types to choose from. It is suitable for home, household, dorm, kitchen, etc. Item Name: Cup Coaster Material: Diatomaceous Earth Features: Anti-wear, Strong Construction, Anti-scalding Size Details: Round: 10.3cm/4.0" (Approx.) Square: 10cm/3.9" (Approx.) Hexagon: 10.9cm x 9.5cm/4.29" x 3.74" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Cup Coaster