Car Glass Oil Film Polishing Powder : Using car glass oil film polishing powder can quickly remove car oil stains. This is a finely ground degreasing item suitable for all car models. If you have any questions or need assistance, please "contact the seller" - we are always at your service to ensure your satisfaction. Main component : The main component is cerium oxide. 3-year Shelf Life : With a shelf life of 3 years, you can enjoy the stable effect of this product without worrying about it expiring soon after purchase. Professional Manufacturing : Produced by Guangzhou Laiqiu Technology Co., Ltd., this product meets professional standards to ensure the quality and safety of your daily use. Net Content : Each box of car glass degreasing film cleaning powder has a net weight of 30g and comes with a built-in eraser. It can be used frequently in large quantities. Universal applicability : This polishing powder is very suitable for car cleaning, suitable for car glass and car rearview panels, providing multiple choices for daily use. Instructions : 1. Clean the glass thoroughly to avoid dust and sand particles. 2. Glass waterstop+polishing powder. 3. Align the scratched oil film with a scraper and rub repeatedly until it is removed.