Ultra Clean Toilet Bowl Tablets combats pesky stains caused by hard water and releases concentrated blue cleaning solution every time you flush. It can remove hidden stains and cleans every corner. Automatic Toilet Bowl Cleaning Tabs Cleaner Deodorizer Blue It can clean the dirty both of the tank, rim, inner wall, water pipe and other parts of the toiler thoroughly. Effective in killing bacteria and germs of the toilet and sewer pipe, preventing bacteria from toilet and toiler sewer infected alternately. Size: 3.6*2.5x1cm Color: Blue Simply put the cleaner into toilet bowl or water tank. It automatically turns your toilet flushing water into bacteria-killing solution with fresh scent. No more dirty and smelly toilet! We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 45 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right. We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance. Remember: Shipping usually takes 2-3 weeks read our Shipping for more details!