Similar to the regular MM10 Gesso only black!A great permanent flexible primer for canvas, board or even paper. An intense black ground with an excellent tooth for easy paint manipulation. Matisse MM25 Black Gesso is a water-based product and can be thinned down with water. Use equal parts of water to MM25 Black Gesso when working on raw canvas/linen. If working on canvas, MM25 Black Gesso will tighten the canvas, making a firmer ground to paint on.Matisse Background Colours are also a highly pigmented "low tooth" gesso for use when a coloured background is required.Available in 4L, 1L and 500 ml