Winsor & Newton Professional Acrylic Medium Clear Gesso is made from unpigmented clear resin which dries completely clear. It can also be used to make your own colored gesso primers by the addition of acrylic colors. With a balanced absorbency and excellent tooth, this gesso creates the perfect surface upon which to paint. It's suitable for making a pastel surface on paper and for oil and alkyd painting. Details:Available in multiple sizesProvides tooth but no colorMake colored gesso primers by adding acrylic colors to the base