This gesso works well as a primer and sealer on most surfaces, including canvas, wood, paper, metal, chipboard, fabric, plastic and more! It works well for a variety of color products, providing a non-yellowing, clear background. Gesso is water-based, but permanent and flexible after drying. It will mix with pigments, or acrylic paints, to create a range of customized, colored grounds. This package contains one jar of clear gesso.Details:Clear8.5 oz.Water-basedPermanentNon-toxicConforms to ASTM D4236