Porcelain Construction
Provides a place to store the rubber stopperImportant: Please be careful when tightening screw so that the porcelain does not crack during installation.Replaces the overflow plate on clawfoot tub drains.Allows approximately 1 extra inch of water depthDiameter: 3-1/4 inchesPlease Note: The chain and rubber stopper in the photo is not included 