Welcome to GVI GroupBuy Mall! Happy Shopping! ⦿ Prevent yellow dirt, bid farewell to peculiar smell, reduce bacterial breeding.⦿ Safe to use, not harmful to people.⦿ Gradually dissolves with each flush, allowing a controlled release of cleaning solution and light fragrance.⦿ Prevents the build up of lime scale and keep toilet clean, continuously cleans and freshen with every flush.
