Glossy black, circular coaster. - Color: Black - Shape: Circular - Surface Finish: Glossy Thank you for viewing. Diameter: Approximately 14.5 cm Height: Approximately 2 cm I received this from an artist a few years ago when I bought a coffee cup. I haven't had a chance to use it, so I hope someone else can. I will wrap it in paper and send it via Yu-Packet Post.