This jar of Gesso Primer is part of the Sizzix Effectz collection and contains 150 ml of product. This gesso primer can be used to prime surfaces in preparation for painting with different mediums, such as wood panels, canvas, vinyl, rubber, or cardboard. You can apply one layer or more, whatever it takes to thicken the surface enough to accept the mediums. It can be used straight from the jar or thinned a bit with water. You can also add paint to the gesso for added pigment.