Zep, 32 OZ, Concentrated Streak Free Glass Cleaner, Squeeze & Mix Bottle Makes Measuring Easy, No Need For Measuring Cups Or Funnels, Ammonia Based Formula Can Be Used Indoors Or Out To Quickly Remove Dirt, Grime & Fingerprints Off Of Multiple Surfaces, Professional Strength Formula, Not For Use On Any Surface Harmed By Water, Tinted Or Acrylic Glass.