Zerust VCI Poly Bags diffuse Vapor Corrosion Inhibitors to protect metal components, machined parts, engines, molds and more from rust and corrosion. Use Zerust VCI Bags to line boxes and dunnage systems and combine packaging and corrosion protection in one step. Zerust Poly VCI Bags range in size from two inches up to 150 inches and can be made with additives such as acid-gas blockers and anti-static. For additional protection, VCI film packaging can be used with Zerust corrosion inhibitor liquid RPs and VCI diffuser products.