Type: Wine Bottle Stopper, Champagne Stopper, Bottle Stopper for Wine, Bottle Stopper for Champagne, Wine Saver Sealer, Wine Vacuum Sealed Cap, Champagne Sealer Description: Wine and champagne bottle stopper the fresh taste of wine and also preserve champagne from losing of bubbles. Features: Provides an air-tight seal, locks the gas in the bottle, to preserve the opened wine bottle. Made of ABS material and food grade silicone material, safe and easy to clean. With the rotary design, easy to use, just rotate the upper part of the stopper to unlock, then tightly plug the stopper into the bottle mouth, and then turn the upper part of the stopper back to the original position to lock. A unique "small hat" shape design, suitable for the fat arc design of the sparkling wine bottle. Small size, more convenient storage. Wine stopper suitable only for wine bottles with an inner diameter of 18-19mm. Champagne stopper suitable only for bottleneck shape of traditional sparkling wine bottles with an inner diameter of 17.5-18mm. Specifications: Material: ABS, Silicone Color: Black Product Size(Dia.xH): Wine stopper: 3.9 x 4cm Champagne stopper: 3.92 x 3.2cm Package Contents: 1 x Wine Stopper 1 x Champagne Stopper Please Note: Due to manual measurement, there might be a tolerance in the product size.