The Ravi Instant Wine Cooler is an innovative way of cooling your wine in seconds. Instead of chilling the bottle - it chills the wine as you pour it. The Ravi is chilled in a freezer (much like the bowl of an ice cream maker) then when you are ready to use it - take it out of the freezer and attach it to the neck of your bottle of wine. Your wine will pass through a stainless steel tube inside the Ravi and will be cooled as it passes through. An air hole in the Ravi - where you can place your finger - controls the speed at which your wine passes through the Ravi and so - how long it is cooled and the temperature it will be as it flows into your glass (from 54ºF - 64ºF). Red wines are usually served too warm. The alcohol tends to predominate, concealing the fruit of the wine. As a result, the wine loses its typicity and personality. A Ravi Instant Wine Cooler is ideal for bringing red wines to their best temperature almost instantly. A Ravi Wine Cooler can also be used to chill white or rosé wines. A Ravi Wine Cooler is easy to maintain - when you have finished using it - just rinse in water, allow to dry and replace in the freezer so that it is ready to use the next time you need it.