Air-Tight Seals: The wine stoppers designed to prolong the wine flavor and keep your opened wine tasted fresh. Silicone Base provide a air-tight seals to preserve the opened bottle of wines to keep the favor. Food-Grade Silicone: Wine stoppers for wine bottles are made of premium silicone, reusable & recycled material, flexible silicone easily pop in and make a great seals.,Air-Tight Seals: The wine stoppers designed to prolong the wine flavor and keep your opened wine