The Jack’s Magic O-Ring Lube is a premium silicone based lubricant that contains PTFE that effectively protects and preserves o-rings. This formula is non-toxic, odorless, waterproof, petroleum free, and environmentally safe. The Jack’s Magic O-Ring Lube is compatible with both rubber and plastic parts, and it is also chemically resistant so it will protect o-rings, gaskets, and other rubber or plastic seals without degrading them.