Winsor and newton galeria large grain gel is a great way to add textured effects to your artwork when mixed with acrylic colour it forms a pronounced textural grain effect it can also be used alone as a clear textured film it may also be painted overthis grain gel has been formulated to ensure that the texture is evenly distributed it can be applied with either a brush or a knifeto create a more moderate effect with grain gel you can also use the winsor and newton medium grain gel 250