Description Fredrix Blue Label Cotton Canvas has the smoothest working surface that Fredrix offers perfect for portraiture and fine detail work Use this superior quality PolyFlaxCotton blend canvas for oil acrylic and alkyd painting It has a 6oz unprimed weight and is primed with acidfree acrylic gesso for a 115oz primed weight Choose from two depths a 34 traditional profile or a 138 gallery profile The gallery profile is backstapled so artists can paint on the edges of the canvas and hang it without a frame