Price-performance really is treated at Sonax products ioHabe in my car, all the door seals, trunk and engine compartment seals it. Product rag spray into a lint-free rub, finished. The seals look dark again and maintained aus.Bis now has the Frost no Chance.Wem spraying in a Cloth is too cumbersome, should buy a kind Labellostift, which is also available. Product does what it says.