Anti-Backflow Design The built-in backflow prevention valve effectively prevents any backflow of water, eliminating the unpleasant odor caused by backflow and keeping a fresh in the bathroom. THICK RING: Designed with a thick and high quality ring, our product ensures excellent adhesion and creates an airtight seal to prevent water leakage and smells from escaping. TOILET SEAL - Our toilet flange rings provide a reliable, watertight seal for toilet installation and repair projects. EASY INSTALLATION - Our toilet flanges are specifically designed for simple and hassle-free installation. The user-friendly design makes it easy for anyone to install and replace the ring and ring, saving you time and effort. Reliable and Sturdy - Our toilet ring gasket is made of high-quality materials, ensuring long-lasting performance and durability., Manufacturer: Bumdenuu