The Vacu Vin Active Cooler Wine actively chills your favourite bottle of wine and keeps it cool and refreshing. The insulated bottle cooler sleeve makes sure that your bottle remains at its ideal serving temperature for longer with a reusable cooling element. Keep the Active Cooler in your freezer for at least 6 hours for optimal use. It chills your wine quickly within 15 minutes and keeps it cool until the last sip. The flexible cooling sleeve has insulating properties and fits tightly around the bottle.