The Doit Best 450847 -2" Universal Toilet Flapper is a standard-shaped toilet flapper made of rubber, suitable for use in the bathroom. It is compatible with universal brands and designed to fit most toilet models. As a part of the Flapper flushing technology, this toilet flapper ensures efficient and effective flushing of the toilet. The package includes one toilet flapper, providing a convenient solution for maintaining and repairing your toilet.