Originally a sketcher's product these superior quality canvas boards feature canvas laminted onto high quality boards of excellent stability. They are stretched by hand for correct tension and tailored corners and are triple coated with one coated of acid free sizing and two coats of highly pigment primer formulated by Winsor & Newton. Artists' Canvas Board is correctly prepared for immediate use by artist and are suitable for use with Oil, Water Mixable Oil, Alkyds and Acrylic coulours. The medium grain surface is ideal for all techniques including heavier applications of colour. The balances absorbency and tooth of the canvas board prevents sinking of oil colours and improves adhesion.