This revolutionary product is designed to do triple duty! Actively chill a bottle in minutes, pour wine effortlessly, AND preserve your unfinished wine! Just freeze the Chill Core and pop it into a bottle of wine when required to keep it cold for up to 2 hours. The built-in pourer is equipped with a unique air flow system, giving you a perfectly chilled pour every time. Leave the rubber stopper in the bottle to preserve extra wine for up to 48 hours.