View on LOZ Suggested Retail: $39.99. ‘Oh Hi’ Stone Bath Mat - Diatomaceous Earth Minimalistic Shower Mat - Modern Stylish, Non-Slip, Absorbent & Quick Drying Bathroom Floor Mat, Easy to Clean, White. The porous structure of diatomaceous earth bath mats makes them ultra-absorbent, which helps to keep the shower and bathroom floor dry. This can help to reduce the risk of slips and falls, as well as the growth of mold and bacteria. Heavy washing not needed. Sandpaper included for maintenance. The material is highly durable and resistant to wear and tear. This means that they are likely to last longer than traditional bath mats, which can save you money in the long run.. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.