Just because you're going to get gnarly doesn't mean that your drivetrain has to. Mountainflow lube provides excellent, long-lasting lubrication. Significantly reduces drive-train friction for a nice smooth ride. FEATURES: SUSTAINABLE: Plant-Based and Biodegradable PETROLEUM-FREE: Always 0% Petroleum (Most chain lube is made from petroleum ??) EASY TO APPLY: And always fast + smooth VERSATILE: For moderate/mixed riding conditions The 4oz bottle is eco-friendly! It is made from 100% Post-Consumer Recycled plastic.