Effect:Extra-strength toilet bowl cleaner removes dirt,limescale and urine stains.Suitable for toilets,tanks,urinals and water closets. Prevents Bad Odors:Strong toilet bowl cleaning tablets have useful extra features;they deodorize,neutralize and prevent odors while also providing smart cleaning. Easy to Use:Open the protective film,put the toilet cleaning tablet into the toilet,let it start working.Alternatively,clean and rinse with a brush. Toilet Cleaning Made Easy:Effortlessly removes stubborn limescale and urine scale,underwater deposits,stubborn grime,bad odors,rust and discoloration from toilet bowls and drains. Packaged:Toilet bowl cleaning tablets are individually packaged with 12 pieces for your convenience.