Easy to identify by usage, application and color. Interior/exterior wood filler. Latex-based wood filler contains real wood fibers. Ideal for repairing holes, dents, scratches, gouges, and defects on any wood, wallboard, molding, or painted surface. Ceramic microsphere formulation combined with real wood fibers provides superior sanding and staining. Resists shrinking and cracking and is solvent-free. Easy water clean up. Use with high-speed sanders.