Teak Sealer and Protector is a water-based, polymer infused liquid that can be applied to new or freshly cleaned teak. It penetrates into the grain and forms a long lasting sub-surface barrier helping to prevent deep-grain soiling from soot, airborne pollutants, food, or beverage and lotion spills. Soiling will be kept at the surface and can be easily cleaned with a mild boat soap. For tougher dirt, use Teakdecking Systems ECO-100 powder or ECO-300 liquid teak cleaners. When used on new or freshly cleaned teak, Teak Sealer and Protector keeps your teak looking great for months! Does not affect teak s natural non-slip properties. Prevents graying for months. Easy to apply. Helps to prevent mold on new teak. Safe for the environment. Long lasting, up to 3 months in tropical climates. Prevents dirt from penetrating wood grain. Contains no oils, urethanes, or varnish. Will not track inside yacht. 2 year shelf life.