From the insert glass on your popcorn machine to Plexiglas® to the front doors of your business, this is one hard-working, grease-removing, streak-free cleaner. Our Watchdog Heavy-Duty Glass Cleaner #2588 is also ammonia-free, so painted or plastic surfaces can be cleaned safely. Safe for popcorn doors. Make sure to add this glass cleaner to your cleaning supplies. (19-oz. cans - Case Count: 12)