Insulated Design: the 3D design of the silicone coasters, can make the coasters more insulated and long lasting, and can also better keep your dining table, kitchen countertop from hot water, coffee and tea stains Anti Slip and Anti Stick: the desk coasters are mainly made of silicone, the small bumps of the surface can promote airflow and keep the coasters from sticking to the cups; The bottom of the coasters is designed with an anti slip surface to ensure desktop grip ability Sufficient Quantity: you will receive 12 pieces of black coasters for drinks and a coaster holder, the nice combination and the sufficient quantity can meet your daily use and placement needs, and you can also share with your friends and family Wide Usages: these cup coasters for table can hold most cups with various liquids, such as coffee, wine, water and so on; The coasters can be applied in cars, kitchens, restaurants, living rooms, bars, desks or other places Note: The data are manual measurement, please allow a 1-3cm error, due to the differences between the light and the display, there will be a certain color difference, the specific received in kind prevail.