Sire Kitchen Set of 8 Large Round Rubber Silicone Drink Coasters PREMIUM MATERIAL -This beverage coasters is made of durable rubber silicone that grips very well on any surface. Your coaster and drink will always stay in place. SAFE - Dishwasher Safe, Good Grip, Heat Resistan and Non-Slippery. To get rid of bacteria on a dirty coaster, water must reach a scalding 135 Fahrenheit. That temperature is easily reach in any dishwasher making it the most essential way of cleaning your coasters. Also you can use warm, soapy water and a brush PERFECT SIZE DRINK COASTERS - These set of 8 are perfect for large coffee cups, sodas, wine glasses, beer bottles and all other beverages EXCELLENT QUALITY PROTECTION - These great coasters have a raised edge to contain drips and condensation from your drink, so your highly value furniture will always be protected against dirty spots and stains 100% SATISFACTION GUARANTEED - What is your risk? Nothing. If you are not happy with our product we will refund 100% of your money. Our products are always backed by 100% Money Back No Question Asked Guarantee!