ULTRA BLACK BRUSHLESS: EXPLANATION: Dilute 1 liter of Wieberr Ultra brushless car wash product with 120 liters of water. Then spray on the vehicle. This solution we spray absorbs birds, fly dirt, oil and mud residues on the vehicle by its enzymes and allows them to be easily removed from the surface. Note: After waiting for 2 minutes, wash with fresh water. It gives shine and good look to your vehicle's paint.