Once- wine- has- been- opened,- it- is- important- to- preserve- it- properly- so- as- to- enjoy- the- rest- of- the- bottle- another- day. The- Le- Creuset- metal- wine- pump- preserves- wine- by- removing- air- from- inside- an- opened- bottle,- then- tightly- sealing- it- using- a- durable- stopper.- By- simply- placing- a- stopper- in- the- bottle- and- pumping- several- times,- the- wine- is- sealed- and- ready- for- storage.