Grooved surface design provides maximum protection for various desktop materials. Thin and flexible coaster holder is unbreakable and dishwasher safe. Coaster with concave-convex design can hold the condensation on the cold drink cup and prevent the coaster from sticking to the bottom of the cup. Protects wood, glass, sandstone, and marble desktops from hot water, tea, or coffee stains. Suitable for kitchen, dining room, living room, bar, study room, or family room. Item Name: Coaster Material: Silicone Shape: Round Style: Modern And Simple Features: Heat Resistant, Easy to Clean, Elastic Size Details: Length: 10cm/3.94" (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: 8 x Coaster 1 x Coaster Holder