Aquabord | 12″ x 16″ | 1/8″ Flat Profile | Watercolor Painting Panel | Highly Absorbent Surface for Watercolor, Gouache & Casein. Display Without Glass: Unlike traditional watercolor paper, once sealed, Aquabord allows artists to display their watercolor or gouache artwork without glass, eliminating glare and giving the work a modern, professional gallery-style presentation.