Holbein Aluminum Folding Watercolor Palettes feature a black Japanned finish with white enameled inside. The 13 well size does not include a thumb hole.
13 Wells (closed 4 1/4" x 9 7/8")
26 Wells (closed 4 1/4" x 9 7/8")
30 Wells (closed 51/2" x 11 3/4")
