NiuYichee 2 PCS Water Absorbent Diatomite Coasters 9.5\"x4\" Diatomaceous Earth Bathroom Trays Water Absorbing Stone Used for Hand Soaps & Plants & toiletries in The Modern Home -Natural、Easy to Clean

Water Absorbent Diatomite Tray ingredient : diatomite quartz sand plant fiber. Diatomaceous earth is a substance formed by plankton on the seabed or lake bottom after hundreds of years of deposition It is rich in a variety of beneficial minerals. It's body has a porous molecular sieve structure with strong adsorption capacity humidity control and air permeability.