Prima Marketing – Finnabair Art Basics – Heavy Gesso – White. This White Heavy Gesso provides a smooth, opaque, non-yellowing, chalky matte background that is permanent yet flexible after drying. It mixes beautifully with pigments or acrylic paints to create a range of customized grounds. This multi-use ground acrylic may be applied to paper, metal, wood, fabric, canvas, chipboard, plastic, etc. with a palette knife or paintbrush. The tube contains 2 ounces of archival-safe and non-toxic product.