Vanity basin with natural exterior and smooth polished interior. Medium Size. All of our Stone Bathroom sinks require a 32mm Pop up waste without overflow. Complement the StoneBase Bathroom Sink with one of our stone bathroom accessories like the Soap, Lotion or Moisturiser dispenser, with Chrome, Copper or Brass look pump, soap dishes, stone candle holder, Towel Trays and toothbrush holders to match.