Plein Air Artboard Pads are the perfect companion to any artist, enabling you to express your creativity, indoors and outdoors. Canson takes traditional techniques and offers a new and innovative delivery system that is portable, rigid, and convenient. These pads contain 10 rigid artboards that are laminated to Canson C'A Grain paper making it a great surface for drawing & multimedia applications. Useable with acrylic, watercolour, pen & pencil. The pads are glued on one side and have a fold over heavyweight cover. Acid-free.