Scrubbing Bubbles Fresh Gel Toilet Cleaning Stamp provides freshness with every flush. Simply apply one of the gel stamps under the rim. Each Floral Fusion scented automatic toilet cleaner stamp lasts up to 12 days! No touching. No scrubbing. No anything. Just continuous, flush-activated, toilet freshening gel action. Scrubby calls it a hands-free way to help keep toilet rings and limescale build-up away. Freshen with every flush with these automatic toilet bowl cleaner discs. This pack of toilet bowl stamps can have your toilet smelling fresh and flowery for up to 10 weeks.