BOSS blocks odours, stains, and stops bleed through. BOSS is a problem solver product, and not needed for every project. Available in clear and white. In two coats, BOSS tackles tough set-in stains, including: permanent market and water stains. BOSS even masks smoke odours and nicotine smells. Clean first with white lightning  and then apply boss. Allow to dry approximately 1 hour. Apply a second coat of boss and allow to dry for 1 hour. Then paint with Dixie Belle paint. Warning: Harmful if swallowed, keep away from eyes and children.