ff, 16 oz, water spot remover, removes stubborn hard water stains, spots, calcium deposits, Lime scale & soap scum. Use on glass, tile & porcelain. Scrub off, 16 oz, water spot Remover, removes stubborn hard water stains, spots, calcium deposits, lime scale & soap scum | Use on glass, tile & porcelain | Manufactured in United States | The weight of the package is 16.69 pounds