Durable: the hardboard sketchboard is certified by the Composite Panel Association and made using recycled materials. Tough and durable, the drawing board has a sturdy writing and sketching surface. Applications: this sketchboard clipboard has a large smooth surface which fits multiple media sizes and is ideal for artists who sketch and draw. Elastic Band and Dual Clips: the drawing board is designed with an elastic band to securely holds artwork and documents in place. The two high-capacity clips hold up to 1 in. Of paper.