Zinsser Bulls Eye 1-2-3 - water based white primer and sealer, provides excellent adhesion to glossy surfaces without sanding. It's great for interior and exterior surfaces. Outstanding low VOC and low odour formula is designed to resist blistering, peeling and mold and mildew growth. Works great in low temperatures, inhibits rust and seals tanning bleed. Water-base primer-sealer. Covers up to 400 sq. ft.