The set of 4 Thirstystone Square Occasions Drink Coasters， Peacock， are beautiful， functional home decor accents that bring a natural element into the home. Each set of four coasters is made from real， solid dolomite. Features a full-color printing on the surface and a cork backing has been added to provide a non-slip surface and further protect tabletops. Beautiful permanent art designs are from licensed printing to ensure high quality and art design. These coasters will protect all manner of surfaces and guard against spillage. Coaster diameter is 4.25 inches， suitable for all glasses， mugs， or cups. Easy to clean， just rinse with water! These unique coasters can be given as birthday， holiday， Christmas， or Valentine’s day gifts to men， women， and friends. Authentic Thirstystone Round Ceramic Drink Coasters feature beautiful permanent art designs that will never fade! Double cork backing helps to further protect furniture and prevent slips from all surfaces. Set of 4 to share and use.