Effective, dual-action foam combines powerful cleaning action of ammonia, plus GrimeGuardGrimeGuard provides an invisible shield to guard against accumulated dirt and repel water spot build-up. This protective shield keeps surfaces cleaner longer and makes on-going cleaning, quick, and easy. Plus, the foaming spray is non-streaking and quick drying! Just spray surface lightly and wipe to a streak-free shine. 17 oz.Use it to clean: Windows, mirrors, chrome, ceramic tile, porcelain, car windows, and TV screens.