VOOKI toilet bowl cleaner is formulated with completely biodegradable green acid , with a special protecting agent - which keeps your toilet bowl clean & shine for upto 100 flushes* 100 Flush Protection: The advanced formulation used forms an anti-stain film over the toilet bowl and protects further formation ofyellow scale formation, stubborn stains and soil depositions up to 100 Flushes* Green Chemistry: Green Acid formulation used enables easy cleaning without hard scrubbing. It eliminates limescale and longer protection against water and stains with non-toxic biodegradable ingredients. Biodegradable: earth friendly human safe ingredients used to make up the cleaning. Eco-friendly: Free from Halogen, Skin Safe: Hardness is only on dirt & stains. composition makes it gentle and soft to human skin Pleasant Fragrance: No harsh suffocating fumes during cleaning activity. Advanced P3 Formulapenetrates the surface & cuts through the deep roots of stains and wipes it away easily without leaving any residue of either dirt or liquid. Ensures the surface clean & shine upto 100 flush cycles. Effortless Cleaning:The Unique formulation with biodegradable ingredients used enables easy cleaning without hard scrubbing on continuous usage of the product. Direction to use: use direct Package Contains: Ecofriendly Toilet Bowl Cleaner liquid - 5 Ltr (Pack of 1)