Sienna Plein Air Palette Box (CT-PS-100). Easily attaches to the Sienna tripod or most of round legs tripod Blocks can be easily removed Tempered glass palette and two 6.5 x 10.5 folding accessory trays Converts to watercolor or pastel palette Dimensions Length 11 1/2 inch, Width 13 1/4 inch, Depth1 1/2 inch.