Asahipen Lava Coaster, Soft Type, 10cm Wide X 10cm Deep X 0.4cm Thick, Marble, YCS-02, Cup Holder, Water Absorbent, Quick-Drying, Mildew Resistant,

The lava stone has excellent water absorption and drying properties. *This product does not contain asbestos. [What is lava stone (volcanic rock)] It is a porous rock formed when magma cools rapidly and hardens near the earth's surface. With its countless small holes, lava stone has high water absorption and excellent drying properties. Uses: For placing cups, etc. Size: Width 10cm x Length 10cm x Thickness 0.4cm Materials/Components: Polyurethane, non-woven fabric, lava stone powder, natural rubber