Professional acid-free pastel board specifically designed for pastelists. A finely ground mixture of cork and vegetable flakes is applied to the surface of a 170 lb. (360 gsm) card, offering a perfectly soft, uniform surface with a tooth that grabs and holds even the softest pastels. Unsurpassed performance for pastel, charcoal or pencil drawings. Details:Available in multiple colors15.75" x 11.75" sheets6 sheetsVelvety textureCannot be easily folded, creased or puncturedLightfastAcid free