The UE PREMIUM ALL PURPOSE CLEANER works for both interiors as well as exterior cleaning. The formula is best suited for vinyl, cloth and carpet cleaning. Because it is devoid of silicones, hence, it is safe to use in a paint shop environment. This formula allows mixing custom strengths. It has been specially formulated to be used as a paint finisher as well as a detailer. This yellow/brown liquid can be used for a long period of time due to its concentrated formula. It works super fast, cutting off all the dirt and grime to deep clean both the interiors as well as the exteriors. It works best and has been specially formulated for vinyl, cloth and carpet. It removes the most stubborn marks of oil, grease, and other tough soils from the engines of the vehicles. One can also clean the tires, wheels, and the other heavily soiled external surfaces. USP OF UE PREMIUM ALL-PURPOSE CLEANER: Quite effective in the removal of stubborn residues of the vehicles It can also clean and remove the most stubborn stains from carpets Apt for fabric upholstery, vinyl, leather and the other interior of vehicles.