Natural Diatomaceous Earth: Water absorbing stone trays are made of diatom mud and plant fiber material, it absorbs twice its weight in water in seconds, keeping your bathroom and kitchen countertops dry while keeping your household essentials dry. Application: Fast drying stone sink trays are 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. Water Absorbing Stone: Unlike traditional sink accessories, this diatomaceous earth sink tray are stronger than you'd expect, they could absorb water and gets dry in a few minutes. It makes the Bathroom Counter top more dry and tidy. Multiple Uses: Diatomite Coasters mats can be used for kitchen countertop or sink, as a liner for refrigerator or drawer, heat resistant mat, pet food non-slip mat, etc. Drying Stone for Kitchen Counter: Absorbs odors, and water absorbent diatomite mats' unique molecular structure makes them have physical adsorption and ion exchange functions, which play a purifying role and keep the air fresh and clean in the bathroom.