Gunk GC1 Streak Free Glass Cleaner - 19 oz. GUNK is a local family owned company based out of Charlotte, NC. For more than 75 years, GUNK products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation. Removes dirt and grime Contains Ammonia Foaming aerosol Leaves streak free glass This item is not for sale in Catalina Island