Tray Size:22cm * 10 cm * 0.9 cm Tray Color: White Made from natural Diatom mud and plant fiber, small holes within diatomite enable it have amazing water absorption. They could absorb water and gets dry in a few minutes. It makes the Bathroom Counter top more dry and tidy. 5mm thick non-slip pads boost the slip-resistance of coasters while keeping them out of the bathroom vanity. This design improves the contact surface between the diatomaceous earth coaster and the air, accelerate moisture evaporation, and prolongs the service life of the product. Suitable to be used as absorbent mats for soaps / cups / soap bottle / dish sponge / make-up bottles, and anywhere you need to absorb water quickly and keep the table / countertop surface dry. This product should be cleaned and air-dried regularly, If not cleaned, the use effect of the product will be affected!Dust can be washed directly with clean water or wiped with wet cloth and dried, clean stubborn stain with detergent, or the stains