Renewalube oil displaces moisture, prevents corrosion and is a lubricant. 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 bio-based product. This product is biodegradable and environmentally friendly. Size 11 oz Series Gun Oil Protects Against Condensation/Mildew/Rust Eco Friendly Yes Suitable For Metal