A wonderful gift for your family and friends! The coaster is made from special ceramic stone, which enables it to absorb the water in few seconds.Back the anti-slip backing cork design can keep the coaster from slipping and moving, so the furniture can be protected form frictions and scratches. Our coasters are that have great design colors You don't need to worry about coasters scratching your furniture surface--Because it provides enough insulation to prevent marks on your table even your drinks are hot without the need of sacrificing the ability of absorbing liquid Coasters from other brands may look similar, but they hardly absorb dripping fluid If you're a beverage lover, you should never miss Nander coaster set. Care Instruction : If coffee or dark drink splashed on the coaster, we recommend you to wash the coaster with water immediately.Then To remove coaster stains, soak coaster in 1 part household bleach and 3 parts water until stain lifts, then rinse / air dry Notes : 1.There might be slightly different in color, because of the computer monitor settings. 2.Please allow 1-3 cm in size deviation owing to munual measurement. 3.Please allow the smell in the course of packing and shipping, but it will be disappeared in a few days air out.