Nox-Rust Vapor Wrapper (VW35D) is designed for general and long-term corrosion protection of ferrous metal parts. Use it as wrap, interleaving or cover for steel, cast iron, and cast iron. The 35 lb. natural kraft is saturated both sides with proprietary VCI that is preferred by leading OEMs. Packaged parts stay clean, dry and rust-free. Paper has 6-language print on one side to identify it as valuable packaging for metals.