One set of top quality grey cement coasters with metallic copper edge. Industrial concrete with a cleanly painted metallic accent makes a swish and striking addition for any home, in addition to an excellent gift. Every coaster is punctiliously poured, painted and finished by hand to make sure the very best quality product. * Sealed with professional concrete topcoat * Every measures about 4.25 inches (10.8 cm) in diameter. * Four cork buttons are firmly affixed to the ground of Every coaster to give protection to furniture surfaces.