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 are great for bars, restaurants, wash basins, offices, family tables, it can be used as a cup lid to protect your drinks, as a mat for hot pots and pans to replace traditional pot holders, or as a can opener to use, 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 . EASY TO CLEAN & DURABLE. This drink coaster is dishwasher safe, and it can also be wiped down easily or hand washed. Unlike cork coasters, silicone material will never get mildewed. They are durable and reusable, each of our drink coasters is strong and sturdy enough to last for years. Size: 3.9*3.9*0.2inch, suitable for most drinks, cups, glass, mugs.