The Haley's Corker - Green is designed for screw cap wine bottles and the wider interior diameters of screw cap wines. This special wine corks are an instant aerator, filter, drip free pourer, re-corker, and stopper for spill proof side storage! The Haley's Corker can also be used for sparkling wines, liqueurs, champagne and more.Size of the wider interior diameters of screw cap winesInstant aerator and filterDrip free pourer, re-corker, and stopper