Enhance your sparkling wine experience with these champagne stoppers. Measuring 1.5"W x 2.9"H, they come in a 2 - pack. Made of high - quality stainless steel and ABS, they're durable and dishwasher - safe. The unique built - in pump with an upgraded piston system efficiently pressurizes the bottle, keeping your champagne, Prosecco, or Cava fresh and fizzy. To use, insert the stopper, fold the flaps, and press the button for an airtight seal. You can even mark the opening date. The packaging size is 3.1 x 3 x 1.5 inches and weighs 0.18 lbs, while each stopper weighs 0.13 lbs. Ideal as a gift, it's perfect for any sparkling wine occasion and a great addition to your barware collection. Material: ABS Plastic.