This artists' quality canvas range consists of carefully selected and prepared stretched cotton canvas to ensure outstanding quality. The canvas benefits from having a heavier weight superior cloth of medium grain surface that has been triple coated with two coats of highly pigmented primer and one coat of acid free sizing - all formulated by Winsor and Newton. Artists' Canvas also offers balanced absorbency and tooth, essential for preventing the sinking of oil color; this also means that the canvas has improved adhesion. All Artists' Canvas is stapled on the reverse resulting in clean edges, to ensure that you can paint on all four sides. Professional stretcher bars are as standard and offer great strength and stability. To accommodate latest trends, Winsor Deep Edge is available in three shapes; rectangular, square and maritime formats, which creates an option for framing.