Fiberglass Cleaner Ideal for Cleaning Non-Skid Textured Fiberglass Decks. Preps Fiberglass Prior to Applying Protestants Recommended by Major Manufacturers Vertical Cling, Won't Run When Cleaning Vertical Surfaces Proven Formula - Rinses Clean Away, Leaving No Slippery Residue that may Impair Attachment of Polish or Protectants Will not Yellow Your Boat - Contains No Wax or Silicone Deep Cleans & Deoxidizes Fiberglass Removes Yellowing, Stains, Chalking Removes Rust, Fresh, Clean Scent Gets the Yuck Out! Perfect Spring Cleaning Restores Faded Color No Damage from Rubbing Compounds Streaks Cleans Fenders, Rub Rails, Power Cords black Life Lines Strips Old Wax; Preps the Surface for New Polish.