Birchwood Casey Renewalube Firearm Oil -It possesses an extremely high flash point and operates at cooler temperatures than traditional oils. Not only does it surpass conventional lubricants in performance and lubricity; it is also a USDA Certified Biobased Product. This revolutionary product is biodegradable and environmentally friendly. 11 oz. Displaces moisture, prevents corrosion, and is an outstanding lubricant.USDA Certified Biobased Product which means biodegradable and environmentally friendly.Possesses an extremely high flash point and operates at cooler temperatures than traditional oils.11 oz