This white universal primer provides good coverage and can be applied to all non-oily pre-sized painting surfaces, such as canvas, paper or wood. It can be used direct or diluted with water (80% to 90% gesso with 20% to 10% water). Improves adhesion of paint to the surface.Gesso can also be tinted with acrylic colour or used direct in its white shade.Abstract is notable for it's innovative and flexible packaging that fits comfortably in the hand is highly portable and strong (so much so that it can even handle the pressure of being stepped on ) - plus the paint is better preserved because air cannot get inside the pouch. There is no waste no air bubbles and it can be easily squeezed down to the last drop.120ml / 4fl. oz.