Rusfre 2-IN-1 Aerosol Rustproofing & Undercoating Kit. *****A Kit for do-it-yourselfers who want a two-part system; i.e., Innerpanel and Undercoating Materials for Rustproofing Automotive Vehicles.*****Included are Two Large Aerosol cans of Innerpanel (All-Purpose) Rustproofing, w/ Wands and Two Large Aerosol Cans of Rubberized Undercoating.*****Complete w/ Body Plugs and step-by-step Rustproofing Directions.*****