Unbreakable! Soft diatomaceous earth bath mat featuring Gamachan's illustration. - Design: Illustrated with a frog - Brand: Gamashin - Backing material: Non-slip black material Size: 40cm (length) 60cm (width) Thickness: 4mm Materials: Rubber, polyester, diatomaceous earth Can be washed with water when dirty. Can be rolled up and stored when not in use. I received two, so I'd be happy if someone could use one. Thank you for looking.