Convenient toilet bowl cleaner cleans and freshens toilets in just one click. Each disc provides a full week 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 Four Click Gel™ Cleaners per Box, Five Boxes per Carton. Application: Toilet & Urinal Cleaner; Applicable Material: Ceramics; Enamel; Metal; Chemical Compound: C16-18 and C18-unsatd., ethoxylated, Glycerin; Dirt Types: Soils; Odors.