Fangrui Product Details Premium Material : The Wine Stoppers Made From High Quality And Plastic. Safe To Human Body, Rust And . It Can Be Used Repeatedly And Is Easy To Clean. No Spills Or Leaks : The Combination Lock Seal Wine Saver Fits Most Wine Bottles, Olive Oil Bottles And Any Type With The Diameter Of The Bottle Mouth Between 1in To 1.1in. The High-quality Plastic Parts Closely Fit The Bottle Neck, Completely Preventing The Loss Of Odor And Prolonging The Wine Freshness, That The Opened Red Wine Is Not Easy To Oxidize In A Short Period Of Time. Design To Keep Safe : Our Wine Bottle Stoppers Come With A Three-digit Combination Lock, For Keeping Children, Teens Or From Drinking. It Also Ensures That The Contents (like High-grade Wine, Essential Oil, Vegetable Oil, Etc.) Of The Bottle Are Safe And Secure, Absolutely Preventing From Being Stolen Or Exchanged. Wide Application : As A Practical Wine Stopper, It Would Be A Solution For Your Home, Bar, Hotels, Supermarkets, Vineyards Or Restaurant. Fit Most Wine