Ty-D-Bol Man: Always there for you! Clean you can see! Continuous blue water. Helps prevent hard water stains. Prevents limescale deposits and rust stains caused by hard water. Powerful detergents help keep your toilet bowl clean in-between scrubbing. Blue detergents provide a continuous clean you can see. Cleans & deodorizes with every flush. Protective wrapping - no direct contact with hands or skin. Bowl water not harmful to children pets (it is not recommended that pets drink toilet bowl water). Safe for plumbing & septic systems. www.tydbol.com. Made in USA.