Protect Your Tabletop: These drink coasters are made of high-quality silicone, which is safe, reliable, durable, and sturdy. They help prevent hot water, tea, or coffee stains from damaging your desk, allowing you to enjoy your favorite beverages with confidence.UNMATCHED NON-SLIP & NON-STICK DESIGN: Double-sided design for use on both sides. Made from food-grade silicone, these coasters feature a unique pattern that traps liquid to prevent leaks and stops the coaster from sticking to glassware. The bottom of each coaster has a high slip-resistance surface to keep your glass securely in place.Suitable Size: The coasters measure approximately 4 x 0.2 inches, with a holder size of 4.6 x 2.75 inches. They fit most cup sizes and are easy to store when not in use, saving space on your tabletop.LONG-TERM USE & HEAT RESISTANT & DISHWASHER SAFE: These coasters are dishwasher-safe, highly stain-resistant, waterproof, and heat resistant. Suitable for both cold and hot drinks, they can be used with a variety of beverages including coffee, tea, beer, wine, whiskey, soft drinks, juice, and more. Help protect your tables from heat and spills.What You Get: The package includes 10 drink coasters in gray and black, and 1 storage holder. The classic colors and sufficient quantity support everyday use and replacements.Color: Black + Grey Material: Silica Gel Size: 10 cm Package Contents: 10 x Coasters 1 x Storage Rack Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.