This canvas is stiffened and sealed with one coat of universal transparent size. So this half-prepared canvas saves the artist some trouble and still allows them to get the custom surface they want by applying their own gesso. The artist can finish the canvas by adding their own choice of primer to the surface: acrylic primer, clear acrylic medium, homemade genuine gesso or oil primer. This canvas comes in three textures: extra-fine, fine and rough and is available by the metre, stretched and on a Jackson's Handmade Linen Board.Please note: you will need to apply an extra layer of size, if you wish to apply oil primer or oil paint to the surface.