The Good Cook Kitchen Sink Stopper Sets easily covers your drain or disposal to stop water flow. Flexible outer rings create a tight seal while handle allows for easy operation. The diameter of this sink stopper measures at approximately 3.25 Inch. This stopper fits most standard sink drain openings. This set includes 2 sink stoppers. Perfect for those wanting one in the kitchen and one in the laundry room. Or keep an extra stopper handy in case one goes missing. Good Cook stands behind its products and offers a lifetime satisfaction guarantee. If for any reason you are not happy with your purchase, return it to Good Cook for an equal value replacement.