This toilet tank flush valve seal replacement is a musthave for anyone looking to upgrade their toilet's system. Made from stable materials, this flush valve seal is built to last and can withstand wear and tear. With its easy installation process, a perfect solution for any home or RV.FeaturesColor:BlackMaterial:RubberSize:11.00X11.00X1.50cm/4.32X4.32X0.59inMade from reliable materials for durability, to ensure the flush valve seal has longevity.Prevent leakage: Flush valve seal gasket effectively prevent any water from leaking out.Efficient design: The design of the flush valve seal a comprehensive seal effect of your toilet tank.Simple installation: The installation process is convenient and does not require any special skills.Versatile to use: This flush valve seal is highly versatile and compatible with various toilet models, making it suitable for a wide range of applications.Package list: 1 x sealing ring