NEW THICKENED & DEEP TRAY DESIGN: The coaster has a thickness of 0.28 inches (7mm), providing protection against heat and condensation. The deep rim helps contain spills from water, juice, or liquor. With a diameter of 3.9 inches (10cm), it fits most standard cups, mugs, and large drinkware such as mason jars, flasks, tumblers, beer steins, bourbon glasses, cola bottles, and pitcher jugs.NON-SLIP BOTTOM & NON-STICK TOP: Double-sided design for versatile use. The grooved pattern absorbs moisture and prevents slipping, while raised ridges allow airflow to prevent sticking to glassware. Ideal for use at home or outdoors, in kitchens, living rooms, dining areas, bedrooms, offices, bars, restaurants, patios, weddings, parties, and more.MAXIMUM FURNITURE PROTECTION: These absorbent coasters are suitable for all table surfaces, including wood, granite, glass, bamboo, plastic, soapstone, sandstone, marble, and stone. Helps protect countertops, desks, and furniture from water rings, scratches, and stains.LONG-LASTING USE & HEAT RESISTANT & DISHWASHER SAFE: Made from food-grade silicone, these coasters are flexible, durable, and resistant to temperatures from -40F to 480F. Suitable for both hot and cold beverages, including coffee, tea, hot chocolate, beer, wine, whiskey, cocktails, soft drinks, juice, and iced water. Safe for dishwasher cleaning.MULTI-PURPOSE USE: These coasters can also be used as small trivets, pot holders, spoon rests, kitchen pads, or protective pads for furniture legs. Ideal for home use or as part of a barware set in bars, pubs, or restaurants.