A twin pack of Bloo Colour Active Toilet Rim Blocks with bleach, each weighing 50g. Provides powerful cleaning and a burst of color with each flush. Keep your toilet hygienically clean and fresh with Bloo Colour Active Toilet Rim Blocks. This twin pack provides long-lasting cleaning with each flush, thanks to its 4-in-1 formula. Bloo blocks tackle limescale buildup, remove dirt, and release a pleasant fragrance, leaving your bathroom smelling fresh. Plus, the built-in bleach eliminates germs and bacteria for a truly hygienic clean.