Specially made oil protects teak, eucalyptus, mahogany, and other dense hardwoodsKeeps wood from cracking and fadingEarth-friendly and environmentally safeEconomical: 1 quart covers three or four pieces of furniture99% UV protectionLower-VOC formula (250)Penofin Protective Oil is the only oil that can penetrate the dense fibers of tropical hardwoods to protect and maintain their finish. Penofin soaks deep, coating wood fibers from the inside out to prevent fading and surface cracks. We recommend it to extend the life of all your hardwood garden furniture.