Rust Resistant Stainless Steel Mason Jar Lid with Metal Pump (Chrome) Food grade 305 Rust Resistant Stainless Steel Lid Allow Zinc Pump Converts any Pint (Outer: 70mm, Inner: 27mm) Jar to a Dispenser Tube is 8 inches long and can be trim to fit your jar if needed. Some soaps may cause corrosion or build up, wipe item clean periodically.