Stainless Steel Vacuum Sealed Champagne Wine Bottle Pump Stopper Bottle Cap Corks Simple to use push button top to easily create a fresh vacuum sea Decorative and sleek design will look good on any bottle Fits standard wine bottle necks. Material: Stainless steel (surface), reinforced plastics (inner). Size: Approx. 5cm x 4.2cm x 4.2cm(1.97 x1.65 x1.65)