Premium Bicycle Chain Oil Lubricant By Gorilla Bike Oil, Perfect For Lubricating & Protecting Moving Parts. Enjoy High Performance & Safety, Biodegradable & Eco-Friendly, Weather & Water Resistant Extreme Conditions Approved: Biodegradable and will not harm the environment. contains no harmful solvents Not washed away under wet conditions designed to repel water until the cleaner is applied Gorilla chain oil saves money by penetrating into the rollers. Protects entire drivetrain. Trusted brand has been used for over 15 years and tested for both wet and dry climates