Stone Bath Mat, Diatomaceous Earth Shower Mat, Non-Slip Super Absorbent Quick Drying Bathroom Floor Mat, Natural, Easy to Clean (23.5 x 15 Slate) About this item THE SUPERIOR AND NATURAL BATHROOM SOLUTION: A natural diatomaceous earth bath mat holds exceptional absorbency and moisture-wicking properties that quickly evaporate water from the surface! SAY GOODBYE TO WET AND SLIPPERY FLOORS: And say hello to clean, dry floors! Stone Bath Mat has a quick-drying and cooling surface.