These coasters are approximately 4” in diameter and 3/8” thick. They’re made from live edge wood slices that are laser engraved with a Maine lighthouse scene within the state outline on one side. They are unfinished and smell quite nice. Details: • Each engraved wooden coaster is about 4" in diameter 3/8" thick • Made from California Pine wood slices • Laser engraved with a high level of precision