Convenient toilet bowl cleaner cleans and freshens toilets in just one click. Each click provides up to two weeks of freshness. Automatic toilet bowl cleaner ensures continuous clean and freshness with every flush. Self-sticking gel. Easy to apply--simply click and stick. Single use, disposable applicator ensures hygiene and prevents toilet-touching contact. Contains Six Click Gelâ„¢ Cleaners per Box, Four Boxes per Carton. Application: Toilet & Urinal Cleaner; Applicable Material: Toilets,Urinals; Chemical Compound: C16-18 and C18-unsatd., ethoxylated, Glycerin; Dirt Types: Odor; Soil.