Enhance your drinking experience with these high - quality silicone coasters. Each set comes with 6 coasters and a holder. They feature a thickened design, 0. 28 in. (7 mm) thick, and a deep tray with a 3. 9 in. (10 cm) diameter, which can hold more liquid overflow. The double - sided design offers a non - slip bottom and non - stick top. The grooved pattern on 1 side holds liquid, while the raised ripple on the other promotes air flow, preventing the coaster from sticking to glassware. Made of food - grade silicone, they are heat - resistant from - 40°F to 480°F, suitable for both cold and hot drinks. These coasters can be used on any table material, such as wood, granite, or glass, protecting your furniture from marks and scratches. They are multi - functional and can be used as trivets, pot holders, or even furniture feet floor cups. Whether you're at a wedding, party, or in your office, these coasters are a practical addition to your daily life.