Tired of water stains and mildew caused by surplus water from cold drinks? TRAPO Diatomite Cup Holder has got your back! It is perfect for users wanting an eco-friendly coaster that is super absorbent, anti-bacterial and mold-resistant! This product is made of Diatomaceous earth (Diatomite) that has strong ability to absorb water and deodorize unpleasant smells due to its porous properties. This product is hygienic and easy to clean with just water. It doesn’t contain chemical additives, making it non-toxic and 100% safe for use.