Domestos Power 5 Blue Chlorine Power Toilet Rim Block is loaded with not 1, but 5 key benefits for a powerful clean, leaving you with an extra fresh toilet. Flush after the flush, our blocks release a rich foam that helps to prevent limescale, remove dirt and leave toilet bowls hygienically shiny with a long-lasting fresh ocean fragrance in your bathroom. Maintaining the freshness and cleanliness of your toilet has never been as easy and efficient as it is with Domestos' full power that lasts for up to 300 flushes. Domestos toilet cleaners and Power 5 toilet blocks are a great combination for a germ-free, fresh-scented, sparkling clean toilet. How to use: Unfold the hanger, break the plastic lock and hang over the toilet rim ensuring it is in the flow of water. After the product has been removed from its pack, please dispose of any excess material remaining in the pack. Wash hands thoroughly after handling.