Parafilm™ lubricant formulated specifically for bicycle chains. Designed for all conditions. Goes on wet to penetrate rollers and side plates, then sets up to a soft, pliable wax. Waterproof and corrosion resistant. Chain is encased in a waterproof layer, shielded from dirt and grime. Long-lasting protection and cleanliness. Special low melt point wax replenishes drivetrain by slow-feeding clean lube from the inside layers outward, significantly reducing abrasive wear and eliminating corrosion. Enables smooth shifting. Smooth, quiet, trouble-free operation in all conditions for long lasting protection. Minimizes chain noise. Extends chain life. Made in the USA.