Art Advantage Sketch Boards are light-weight and durable. These masonite sketch boards feature 2 sturdy clips and a rubber band that will securely hold a single sheet of paper, a full pad, or even a stretched canvas. Comfortable handle for portability. Easily use in the field, studio, or classroom. Made of tempered, high-density fiberboard to increase strength and give more water and impact resistance. 18 x 18 in.