Look closely at tthis raku box and you will see a pattern in the glaze. What you see is preserved fire, the pattern created by the flames of the raku firing. The appliqued discs have different surface textures as well as different glaze treatments, adding interest to the raku surface. This box is 4" x 4" x 9" and will hold approximately 37 cubic inches. This process DOES NOT create a waterproof vessel. It is decorative only.