Zinsser B-I-N Shellac-Base Primer is the original shellac-based primer and sealer in one that permanently blocking stains, odors and wood knots. Use on interior ceilings, walls, doors, trim, cabinets, furniture and other related paintable surfaces or for spot priming exterior surfaces. High-hide primer works on even the most stubborn stains and adheres to even glossy items. Features Shellac base primer is ideal for all interior surfaces and for spot priming exterior areas High-hiding formula blocks stubborn and persistent stains Seals porous surfaces with excellent enamel holdout Permanently blocks all kinds of odors from pets, smoke and more Superior adhesion to all surfaces without scuff sanding Dried film is non-toxic and hypoallergenic Cannot be sold in Chicago Made in the USA