Sienna Sketch box About Sketch box The Sienna Sketch Box is a lightweight, portable, drawing board and supply box. It will holds all your drawing supplies as well as a thin drawing pad or individual sheets of drawing paper up to 9" x 12" in size. Features: The Sienna Sketch Box features a 9" x 12" paper slot to keep your drawings safe. Five spacious compartments to hold all your drawing supplies, mp3 player, phone, etc. Lightweight portable birch construction makes the Sketch