yueton Pack of 2 Stainless Steel Wine Sealer/Vacuum Wine Stopper/Champagne Sealer/sealed Red Wine Storage Bottle Stopper Pull down over the bottle opening to seal; to release, push the button and lift off. Inner diameter of 1.25" fits most bottles; dishwasher safe. Material: Stainless steel (surface), reinforced plastics (inner). Let you store wine after opening bottle.Keeps open wing fresh for several days. Package Includes:2PCS*Wine Sealer.