The finest quality painting ground for oil or acrylic painting. Smooth and absorbent, it can be used on all types of porous surfaces, including canvas, paper, fabric, wood and plaster. Primes surfaces and adds a high level of tooth for maximum color adhesion and stability. Gives a matte white, opaque finish which provides a professional standard, archival base to help maintain the longevity of your work. Establishes a good surface for preliminary charcoal or pencil drawings. Apply with a brush, roller or squeegee to the entire painting surface. If using as a base for oils, apply 2-4 coats and sand between applications. Not for mixing with oils. Clean up with soap and water. 1/2 gallon. AP Seal, non-toxic.