2 blue tablets. Helps keep your toilet bowl stain-free. Repels tough hard water and limescale stains. Stain repel. SC Johnson - a family company. Cleans and deodorizes with every flush. Helps keep your toilet bowl stain-free. Bowl water not harmful to children or pets (However, it is not recommended that pets regularly drink water from the toilet). Won't harm plumbing or septic systems. Facts you can feel good about: Contains no phosphates; product not tested on animals. A family company since 1886. - Fisk Johnson. Learn more at: www.scjohnson.com. Visit us at www.vanish.com. Made in Mexico.