Seal for Toilet Bowl: Our toilet flanges wax rings provide a reliable and watertight seal for toilet installation and repair projects. Thick Wax Ring: Designed with a high-quality and thick wax bowl ring, our product ensures excellent adhesion and creates a tight seal to prevent water leaks and odors from escaping. Anti-Backflow Design: The integrated prevent backflow valve effectively prevents any water backflow, eliminating the unpleasant odor caused by backflow and maintaining a fresh bathroom environment. 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 flange and wax ring, saving you time and effort. Reliable and Sturdy: Our Toilet Bowl Wax Ring Gasket are made from high-quality materials, ensuring long-lasting performance and durability. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Gray Material:plastic Package Contents: 4 x Toilet Bowl Wax Ring Gasket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.