Onyx freestanding bathtub Abu is made of natural onyx stone. Note that it is always made only from one piece of natural stone. No glue, paint or any concrete is used in the production process. It is cut and manually drained by our best craftsmen in Indonesia. The outside is either carefully polished, the effect is visible on the pictures, and so is the inside. Every product may come in a different sizes and shapes as every piece of rock varies from another. Nevertheless, we are able to provide a customer with the desired size, shape and shade as we take stone directly from the source. That is why we can guarantee that you will always get what you want! Please notice that natural stone soaking bath supports all drain hole standards (European, American, Asian, etc). We are able to export these onyx stone bathtubs to almost every part of the world.