Natural Soy Products Wood Sealer, 4 One Gallon Containers to Seal Decks and Porches SoySeal is a natural soy-based sealer for all wood, decks, and docks. Easy to transport Box of 4 one gallon containers of soy based wood sealer and waterproofer . Natural Soy Products' Wood Sealer, formerly SoyClean and Environmentally Preferred Brands, is non-toxic, made from 100% all natural ingredients. No hazardous ingredients . SoySeal Wood Sealer covers about 200 square feet per gallon, depending on the age and dryness of the wood. All Natural Soy Products are non-toxic and biodegradable. Natural Soy Products contain no hazardous ingredients as defined by the U.S. OSHA Hazard Communications Standard 29 CFR 1910.1200 or the Canadian Hazardous Products Act S.C. 1987, C30 Part 1 . Natural Soy Products Wood Sealer and Water Proofer Features No caustic alkalis to darken wood and raise grain or burn skin and eyes. Soy-based Environmentally friendly Non-Toxic Biodegradable High flash point Madein USA by Natural Soy Products This item ships from a separate warehouse and may require extra time for delivery.