Interlux Sikkens Cetol® Marine Wood Treatment. A durable and breathable translucent protective wood finish. Formulated with "Next Wave" technology, special alkyd resin and high quality synthetic UV-absorbing pigments, providing excellent UV protection. Creates a microporous finish that doesn't crack or flake. For use above the waterline on interior and exterior woods. Apply by brush only. Creates an attractive dark amber appearance. Stain finish. Quart.