3 Inch Toilet Flapper: Our toilet flapper fits 3-inch toilet flush valve. Our toilet flapper is specifically designed for use with a flush valve that has a 3-inch diameter opening. LONG-LASTING DURABILITY: Crafted from high-quality chlorine-resistant plastic, which is very corrosion-resistant, Our toilet flapper ensures long-term usage and withstands the effects of hard water. Effectively control flushing to conserve water over the long term Easy to Install: Close the water valve leading to the toilet, drain the water from the tank, remove the old leaking flapper, install our toilet flapper, and install the chain. Notication: If your old baffle is hard to take out, you can cut it, don't pull it open forcibly to avoid damaging the tap. When you open the package will have an odor, placed after a period of time, the smell will be eliminated. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Blue Material:plastic Package Contents: 4 x 3-inch Toilet Flapper 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.