Feature The built-in upgraded pump-piston system increases in-bottle pressure more efficiently than those basic types, so it will keep your sparkling wine fresh and bubbly to the last drop. PROFESSIONAL PREPARATION - Insert the champagne holder into the bottle, fold down the hinge-mounted flap to lock the lower lip of the bottle, and press the button until you feel strong resistance, which indicates an airtight seal. Made of high quality steel, ABS and food grade silicone. Smooth surface and no odor. Keep your sparkling wine fresh Sealing is not enough. We've added a built-in pump to the stopper to ensure your beverage bubbles don't go to waste. Fits standard sparkling wine bottles，The stopper is designed as a universal size for a bottle of champagne, cava, prosecco and sparkling wine. Reusable steel has a long service life Easy to set up and remove Color: Gold, Silver, Black Material: steel + plastic Package includes 1*Champagne stopper