Dumondes Classic LITE chain lube is a liquid plastic and through polymerization forms a long-lasting plating on all chain surfaces. You can confidently use Dumonde Techs Bicycle Chain Lubes on all cables, pivots points and seals. Its safe on plastic, rubber and all seal materials. Eco-friendly and environmentally sensitive, these products are engineered to perform with minimal carbon footprint by not washing off in water, to use sparingly, lasts longer between applications, your drive train lasts longer. A great performer in extreme cold conditions.