Partners Brand VCI paper sheet comes with complete wrap for maximum protection against rust, corrosion and oxidation. Paper sheet measuring 18" x 18" is ideal for covering wrapping ferrous metal parts or surfaces, sold as 500 per case. 30-lb. paper. 18" x 18" sheets. Completely wrap for maximum protection. One square foot of VCI paper for every one cubic foot of packaging area is recommended. Chemically treated paper continuously vaporizes creating an environment that blocks out rust, corrosion and oxidation. Use volatile corrosion inhibiting (VCI) paper to cover or wrap ferrous metal parts or surfaces. Chemically treated 18'' x 18'', 30-lb. VCI paper sheet continuously vaporizes creating an environment that blocks out rust, corrosion and oxidation.