Handy Art Acrylic Black Gesso is an excellent quality student primer that dries to a flexible matte finish. Apply as an undercoating or primer to surface before painting to improve adherence. Clean up with soap and water. Details:Black gesso 32 oz. (946 mL) bottle size6 packs (2 bottles per pack, 12 total bottles)Dries to a flexible matte finishCleans up easily with soap and water Certified AP and nontoxic