Features: Experience leakproof convenience with these silicone gasket seal lid, designed to prevent spills and keep beverages freshness for glass drink bottles, ensuring long lasting protections against contamination. Crafted from stainless steel and silicone, these 7x5.5cm caps feature advanced sealing performances, resisting up to 2.5bar pressure and deformation for stable bottle cap replacements. Ideal for homebrew beer enthusiasts, juices makers, and beverage producers seeking swing top replacement caps to enhances their drink storage and freshness. Perfect for gatherings, parties, or daily use at home and outdoors, these multipurpose caps securely protect drinks during pouring and shaking, preventing leaks. With an elegant silver finish and resilient construction, these leak proof silicone gasket lid add a refined touch to any glass bottle while ensuring easy installation and versatile application. Specifications: Component: Stainless Steel+Silicone Size: Aaprox. 2.16x2.75inch(5.5x7cm) Package Includes: 12x Swing Caps note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.