A penetrating flexible finish formulated to enhance and protect wood decks, trim and gunwales. Easy to apply, long lasting, prevents UV degredation, and retards mildew. Natural color to protect woodwork. Applying more coats increases the shine of the finish. Use this product at least twice a year. Wood gunwales protected with WATCO last longer and look better than varnish that chips and scuffs. Varnish is a "surface" finish, WATCO penetrates, protects and keeps the wood more supple.