Non-acid, non-caustic formula designed for safe removal of brake dust, oil, grease and road grime from tires and OEM wheels of all types. Simply spray on and rinse off. DOT: CORROSIVE. This item is subject to a UPS/FedEx HazMat Surcharge. Five (5) gallon sizes of this item are subject to a UPS/FedEx Additional Handling Charge of $5.00 per container. VOC COMPLIANT. Meets CARB/OTC Regulations.