Material:
Plastic ,rubber ,aluminum alloy and stainless steel
Description:
1.this product is as a tooling for extending the longevity of the wine
2.through pumping out the air of the wine bottle create a vacuum in the wine bottle
3.please seal the bottle again after pumping to avoid preventing defect
4.this product could keep the wine fresh in 7 days
5.please shake the stopper for opening again
6.all materials are approved for foodstuffs.