This Titanium-based white acrylic primer provides a reliable, classic foundation. Great for artists and students alike, it may be used on a variety of porous surfaces, such as canvas, wood and other panels, or paper with oil, acrylic, alkyd and spray paint. Multiple coats may be sanded to create a smooth portrait surface. Details:WhiteMulitple sizes availablePermanentNon-yellowingFlexible when dry