High Quality Anti-Rust Material: The Wine Stopper Is Made of Food Grade Stainless Steel, It Is Non-Slip, Rust-Proof, Corrosion-Resistant, Does Not Crack and Does Not Fade, Which Can Come In Direct Contact With Food. It Is A Safe and Non-Toxic High Quality Wine Bottle Accessory. . Keep Wine Fresh: This Stainless Steel Wine Stopper Can Help You Keep Your Wine Fresh. If You Drink Alone, You Don'T Have To Worry About Drinking Incomplete Bottles. A Wine Stopper Allows You To Drink Fresh Wine The Next Day. . Vacuum Champagne Bottle Stopper: The Champagne Bottle Stopper Has Excellent Sealing Performance, Which Can Keep Your Drinks Fresh for A Long Time, Protect Them From Carbonic Acid Loss and Prevent Insects From Entering, Even If The Wine Bottle Is Put Flat In The Refrigerator. Don'T Worry About The Bottle. The Liquid Inside Will Leak Out. . Easy To Use: When Sealing, Simply Slide The Champagne Bottle Stopper Into The Top of Your Wine or Champagne Tumbler, Just Pop The Top Button When You Open It Again. They Are Easy To Clean, Reusable and Easy To Store.