Zebra Canvas Art Board. Made in Cambridgeshire, England. The Canvases are on professional stretcher bars at the back which offer great strength and stability. Medium grain 100% cotton canvas. The primed canvas weighs 13oz/375gsm having been triple coated with one coat of acid free sizing and two coats of highly pigmented primer. (70 X 100cm Canvas Size) When you purchase one of the canvas boards you will receive a complimentary matching short sleeved, white T-shirt that matches the design on the board.