Free of bleach & dyes. Clean you can see! Contains no bleach. Powerful detergents help keep your toilet bowl clean in-between scrubbing. Specially formulated to help prevent hard water stains. Cleans & deodorizes with every flush. No blue dye, water stays clear. Protective wrapping - no direct contact with hands or skin. Bowl water not harmful to children or pets (It is not recommended that pets drink toilet bowl water). Safe for plumbing & septic systems. Fights hard water stains. Continuous clean water. www.tydbol.com.