Canson C199-7100 / C199-7101 / C199-7102 Features: -Art board. -Arches collection. -Ultimate choice for watercolor, gouache or ink washes. -Offer natural white, hand-made French watercolor paper. Specifications: -16" x 20" Art board dimensions: 20" H x 16" W x .07" D. -20" x 30" Art board dimensions: 30" H x 20" W x .07" D. -32" x 40" Art board dimensions: 40" H x 32" W x .07" D. Size: 16" x 20"