pre-soak shampoo 1:80 dilution 20L/bottle:  can wash 600-800 cars per bottle 

pre-soak shampoo 1:100 dilution 500g/bag :  can wash 30-40 cars per bottle 

Magic color shampoo 1:200 dilution 20L/bottle: can wash 600-800 cars per bottle

Wax 1:150 dilution 20L/bottle : can wash 600-800 cars per bottle