Specification: Package Include: 4 pack silicone coasters. Color: Black Material: Silicone Size: Length about 3.9 inch, Wide 0.2 inch. Wash: Hand wash, dishwasher wash. NON-SLIP AND HEAT RESISTANT: Silicone coaster is very non-slip, so you can also use it to open cans. Heat insulation and heat resistance will not burn the surface of the table, And easy to wash. WIDELY APPLICATION: Silicone coasters great for bars, restaurants, wash basins, offices, family tables, or as a moving gift to a friend. PROTECTION FURNITURE SURFACES: Soft coaster materials can protect the countertops of your favorite indoor or outdoor furniture from damage. Black is also a good match. GROOVED DESIGN: The groove design of the bar coaster can prevent the condensation water on the cup or the residual liquid on the cup wall from being left on the table after use, which can effectively avoid the trouble of cleaning coffee and tea stains on the table. Warm notice: Due to manual measurement, please allow slight differences on size. There might have slight color differences due to different displays. Note: 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.