This stunning black agate round coaster is made from 100% Agate. They are perfect round shape & can comfortably hold a champagne or wine glass, & a cup of tea! Dimensions: Width from 9-10cm Length: from 9-10cm Listing is for 1x coaster. Please note, there are some natural imperfections on all coasters which adds to their imperfect beauty. Black Round Agate Coaster | New Home Gift Stocking Filler Christmas