About this product: Gentle ingredients, multi effect 2-in-1 car cleaning agent with mild properties that do not damage the car. Reduce exhaust emissions by cleaning the carbon deposits and gum in the oil circuit. Usage: Add this product to the fuel tank, then fill up the tank with oil. One bottle of this product can add about 30-60L of gasoline. Specifications: Main ingredients: petroleum distillate, detergent dispersant, etc. Bottle Material: Plastic. Capacity: 60ml. Weight: 70g. Size: 13*4.7*2.9cm. Package includes: 1 bottle * Fuel Treasure.