Stone penny rounds.Artemis Penny RoundSizeSheetColorSelectAREASFloor + Wall FINISHESHoned SPECSStone, Rectified Edge, V4 - Substantial Variation, 23x23 chip size NOTESWe recommend to use fast setting adhesives, apply a sealer during the installation process and use stone friendly grout and silicones. See our Tiling Prouducts and Tools page for our selection of products.