The ornamental design for wine cooler, as shown and described.
1. Wine cooler
1.1 : Front
1.2 : Back
1.3 : Left
1.4 : Right
1.5 : Top
1.6 : Bottom
The real item is a bamboo bottle cooler used as a refrigerating container for various beverage bottles such as champagne bottle, wine bottle, sake bottle, soft drink bottle, etc.; by having the opening window in front of the real item, it is possible to easily confirm the label of the bottle and the remaining amount in the bottle.