The Clef du Vin allows you to immediately reveal the characteristics of a wine. It works with all types of wine: white, sparkling, rosé, red, and natural sweet wines. Behind its simple design lie unexpected and highly efficient properties. Through contact with the wine key, the wine ages artificially, and you alone determine the desired maturity. Within seconds, you can assess the quality of your wine and the aging potential of your finest selections thanks to this unique process. A one-of-a-kind product from Peugeot, recognized by the world's top sommeliers and winemakers.