Free Cheeroo Magnet - Each bundle contains 3x Bloo In Cistern Triple Blocks Original Blue plus free lovely Cheeroo magnet for the fridge that cheers you up!. Foaming Action - toilet cistern cleaner offers a strong foaming action to prevent dirt and ensure a thorough cleaning. Prevents Limescale - the super cleaning agents in toilet bowl cleaner tablets are designed to prevent limescale, keeping your toilet clean in between deep cleans. Powerful Cleaning - Bloo toilet block cleans from the cistern to the bowl with every flush, ensuring a hygienically clean and fresh toilet. Long Lasting Freshness - each toilet cistern block lasts up to 4 weeks, providing up to 8 weeks of freshness with every pack.