Our brake cleaner is carefully formulated with dipropylene glycol methyl ether and sodium gluconate. Designed specifically for quickly dissolving brake dust and oil stains. The usage method is extremely convenient: Just spray an appropriate amount of this product directly onto the brake. Wait for a few seconds， then wipe back and forth with a cloth or other tools until it is clean. And it can not corrode metal and rubber parts. 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.