One 5 count pack of Scrubbing Bubbles Toilet Cleaner Drop-Ins help keep your toilet bowl stain-free with every flushDrop-in toilet tablets for tank last up to 4 weeks to freshen and help keep minerals, limescale buildup and hard water stains in toilet awayDrop one of these blue toilet tablets into your tank; when color in the toilet water disappears, it’s time for a new Drop-In toilet tabletEach toilet tablet helps prevent stains with every flush, providing continuous freshening action and preventing build upUse Scrubbing Bubbles Toilet Bowl Cleaner to get your toilet clean, then drop one of these bathroom tablets in the tank for continuous freshness.