Fenwick's Caravan Cleaner Concentrate has been specially formulated to attract dirt like a magnet, actively surrounding it and preventing it from sticking.__ The raw materials used for the manufacture of the cleaner are also the most biodegradable in their class, making sure that there is no other cleaner that even comes close for biodegradability.__Easily remove black streaks, green algae, road traffic film, diesel fumes, and over wintering grime Suitable for cleaning plastics, aluminium, acrylic windows, GRP, ABS, fibreglass, decals, sealants and much moreHighly concentrated formula to save you money, washes up to 40 vans