High performance corrosion inhibitor. Use anytime you want to package metal surfaces and keep them from rusting.? Paper is poly coated on one side, acid-free, pH neutral, and provides corrosion protection from both sides of the paper. Treated poly-coated paper emits odorless, invisible, and non-toxic vapors that prevent ferrous metals such as iron, cast iron, and steel from rusting. Call for details about VCI bubble and foam, custom sizes, and printing.