Add to your bathroom with the innovative DIATOMITE QUICK-DRY STONE TOOTHBRUSH HOLDER. This innovative one-of-a-kind DIATOMITE QUICK-DRY STONE TOOTHBRUSH HOLDER is made of a natural mineral called Diatomite. Diatomite is one of the most absorbent materials on earth. Diatomaceous earth is often used for oil spills due to its superior absorbency. We love the DIATOMITE QUICK-DRY STONE TOOTHBRUSH HOLDER because of its eye-catching sleek lines and that the product actually works!