Ampersand Original Smooth Claybord 16 in. x 20 in. each Claybord has a velvety smooth finish- very absorbent and ph neutral Perfect surface for pencil-india ink-acrylic-gouache-egg tempera and oils Artwork can be sealed or varnished and framed without glass Bonds well with adhesives to mount paper and fabrics 16 x 20 inches - 1/8 inch depth