Keep fresh: The groove design on the inner wall helps maintain the freshness and flavor of wine by slowing down the oxidation process. It provides effective sealing, helps preserve the aroma, and maintains a natural taste. Overall design: Features two silicone sealing rings for reliable performance. Equipped with a lever handle that, when pressed down, expands the stopper to securely seal the bottle opening. Wide range of uses: Suitable for red wine, white wine, mineral water, beer, champagne, vinegar, oil, and other bottled liquids. Ideal for use in home bars, parties, and gatherings. Material: Made from food-grade plastic, silicone, and stainless steel. Durable, reusable, safe, and compliant with food safety standards. Easy to use and clean: Simple to operate and can be reused after rinsing with water. Specifications: Product name: Bottle Stopper Color: Black, Red and Black, White and Black Material: Stainless Steel, Plastic, Silicone Size (L x W): Approximately 9.5 x 3.2 cm (3.7 x 1.2 inches) Package Includes: 4 x Bottle Stopper Note: 1. Due to lighting and screen differences, the actual color may vary slightly from the images. 2. Please allow 0.5–2 cm variation due to manual measurement.