Our car wheel rust remover contains surfactants， organic acids， deionized water. It can form a dense protective film to prevent the stain from oxidizing again for a long time， will not hurt the metal， will not cause corrosion to the metal or cause chemical reactions. Its use method is very simple: wipe the debris inside and outside the wheel with a cloth， press the sprayer， spray on the wheel， wait for 5 minutes to dissolve it， wipe the wheel surface with a sponge， and clean it. And can be cleaned， cleaned， rusted， refurbished. Please kindly note:🚚 Fast ShippingThis product ships from our U.S. warehouse via UPS (FedEx as backup). We aim to deliver your order quickly and reliably. 📦 No Return AcceptedThis is a single-use consumable product. Once opened and applied, it cannot be returned, reused, or restocked. Therefore, we do not accept returns under any circumstances. 🔍 Order CarefullyPlease read the product description thoroughly before purchase. Make sure it fits your intended use. We recommend placing orders cautiously. 💰 Promotional OfferThis product is currently on promotion at near cost price, with special deals for bulk purchases. Please check the promotion details on the listing page to save more.