1. Big 4.3 inch (11 cm) size fits most cups and mugs. As one of the largest coasters available, it provides excellent coverage to help prevent spills while keeping drinkware stable. 2. Deeper grooved patterns on both sides protect furniture from excess moisture and liquid drips caused by cold beverages, whiskey, cocktails, beer, or other drinks. Helps prevent marks on wooden tables or nightstands. More surface-friendly than sandstone. 3. Made from food-grade silicone, these coasters are eco-friendly and dishwasher safe. Can be used as tableware, spoon rests, bar accessories, or protective table pads. Stays in place and performs reliably. 4. Ideal gift choice for housewarming, birthdays, or the new year, suitable for moms, dads, men, or women. Great for parties, home entertaining, or wedding registries. 5. Set of 6 silicone coasters with holder in deep navyprovides good grip.