These coasters are 4” in diameter and 1/8” thick. They’re made from Baltic birch plywood circles that are laser engraved with a pine tree and bird silhouettes on one side. They are unfinished and hold up to daily living quite well. Details: • 3.5-4.5" diameter, 3/8" thick • Made from California Pine wood slices • Laser engraved with a high level of precision