Refill includes six disposable heads for the Clorox Toilet Wand Cleaning Kit. These disposable heads kill germs and clean your toilet bowl quickly, easily and with zero mess. Preloaded with Clorox toilet bowl cleaner, these disinfecting cleaning heads power through stains while they kill 99.9 percent of germs like staphylococcus aureus, salmonella enterica, rhinovirus type 37 and Influenza A. The spongy cleaning refills conform to surfaces and scrub hard-to-reach places, even under the rim. Simply click a toilet-cleaning head in place, swish the toilet bowl and toss the disposable head into the trash bin when you're done. Refill head measures 2-1/2" x 2-1/2" x 1-1/4".