Two component Vinyl Ester filler desinged for marine filling and fairing applications above and below the waterline. A unique and easy to sand formula designed with 3M ScotchliteT Glass Bubbles. Designed for marine filling and fairing applications above and below the waterline. Two-component vinyl-ester resin designed for marine filling and fairing applications above and below the waterline. Resists water absorption into hulls, decks, and other fiberglass parts. Hardener Included.