The wine stopper is made from durable stainless steel and food-grade silicone with metal wire drawing design, simple design solid, reusable materials. A safe to human body, non- toxic wine accessory.The vacuum wine stopper can keep the beverage or liquid in the up to , preventing peculiar smell and from penetrating into the and damaging the contents of the .The inside of the wine vacuum stopper is made of food-grade silicone material, which is 100% leak-proof. It preserves the cork and prolongs the wine freshness.To clean the stopper simply dry with a and preservation.Built-in battery, fully in 2 hourscolor:SilverMaterial:Stainless steelsize:46 x 86cmPackage Contents:1 x Electric wine cork1 x USB cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.