Scratched plastic windows are the first signs of wear on a Soft Top. Simply rolling up the rear window is enough to leave marks. By using a few simple techniques, along with all three polishes, you can actually add life to plastic and keep it looking new.Plastic Clean & Shine cleans all plastics without scratching. It leaves a shine that resists fogging, repels dust, and eliminates static.The Fine Scratch Remover eliminates fine scratches, haziness and abrasions. With repeated use, it restores faded and discolored plastics, heals the damage, and buffs out quickly.The Heavy Scratch Remover takes heavy scratches and abrasions from most acrylic surfaces. Use when damage is too severe to be restored with the Fine Scratch Remover. It requires the use of Novus No. 2 for final finishing (not recommended for use on coated plastics).To eliminate any chance of scratching, use only disposable cloths.Use of Novus Polish Mates is recommended for application.