These slate coasters are the perfect addition to your entertaining arsenal. Their small size makes them ideal for serving delicate dishes like petit fours or hors d'oeuvres. The natural slate material provides a beautiful contrast on any table setting, whether it's against a crisp white cloth or a light wooden board.The Olympia slate coasters have been treated with a protective varnish to repel water and oil, ensuring they remain in pristine condition. Additionally, the varnish treatment prevents the coasters from absorbing any flavours or odours from food, such as cheese. Clean-up is easy, simply wipe with a mild detergent and avoid submerging it in water. Product Features Dimensions 130(W) x 130(D)mm Material Natural slate Weight 920g Colour Slate Treated to prevent absorption of odours Can be used as a sign or display Oil resistant Hand-wash only Do not submerse in water