€¢ Shellac-base primer-sealer €¢ For interior and spot exterior use €¢ Greatest stain sealer €¢ Seals knots and sap streaks €¢ Seals pet; smoke and musty odors €¢ Sticks to all surfaces without sanding €¢ Lightning fast dry - recoat in 45 min €¢ Size: 13 oz >> Looking for a silver bullet primer that covers everything unwanted. Use the one contractors keep in their vans: Zinsser® B-I-N® Primer. As the original pigmented; shellac-based; stain-killing primer-sealer; nothing is better at permanently blocking stains; odors and wood knots. Great under all top coats."