Get a clean toilet with no extra work for you! These Drop-Ins tablets from Scrubbing Bubbles are designed to simply go into your toilet bowl and continuously clean it as you flush. Each 1.41-oz. tablet lasts for up to 4 weeks and repels tough hard water and limescale stains. Excellent for homes, public restrooms, restaurants, hospitals, care facilities, and more. Get your toilet bowl sparkling clean at one low cost with Scrubbing Bubbles Drop-Ins Toilet Cleaning Tablets!