Kalkid MollaSpace Water Absorbent Coaster, Footprint Water absorbent coasters Made of concrete and non-toxic recycled material Water absoring capability Available in 5 designs; Dry Land, Spiral Shell, Princess Shell, Empty Bottle, and Footprint Water absorbent coasters Water absorbent coasters Made of concrete and non-toxic recycled material Water absoring capability Available in 5 designs; Dry Land, Spiral Shell, Princess Shell, Empty Bottle, and Footprint null