Lock out harmful air and prevent wine from spilling with the Outset Stainless Steel Wine Stopper with Lock. Simply slide the wine bottle stopper down onto the neck of open wine bottle to lock an air tight seal. To release, simply press down the button on the top. Makes a perfect gift for holidays, hostess gifts, wedding favors, showers, and more. Outset Chillware is an intoxicating collection of functional and elegant barware. As practical as it is modern. Impeccably manufactured to meet exclusive standards, the quality of Outset barware is peerless.