Set of 18: You get 18 pieces different styles coasters, come with the storage rack. The diameter of each coaster is 9.8cm. And the 9.8cm diameter irregular pattern design coaster can provide the and place your drink, tea, coffee or juice safely on the table. Silicone Material: The cup mat is made of food grade silicone, safe and practical, waterproof and , heat and stain resistance, not easy to deform. Can prevent the bottom of the cup from scratching the desktop. Tabletop Protection: The round coaster is heat and cold , withstand high temperature 230Celsius and low temperature -40Celsius. Can protect your wooden or glass tables, kitchen countertops from damage. Keep the tabletop clean and avoid stains by coffee or tea. Easy to Clean: The mug pad is water-. You can rinse under running water directly, and avoid long soaking. You can re-use immediately, after wipe it with a dry cloth. Can also be cleaned in a dishwasher. Wide Application: Suitable for the most of the cups like drinking glasses, mugs, wine glasses, whiskey glasses, flasks, flutes of champagne, etc. for all families, hotels, restaurants and bars, can also be great to decorate your kitchen, living room, bedroom or office and more. Colour:blue Material:Silica gel Package Contents: 18 x coasters 3 x storage rack Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.