The flip top caps are designed to fit securely on glass vials, providing a seal that protects the contents from external debris. Their sturdy construction allows they can withstand repeated use, making them a great solution for laboratories and pharmaceutical companies. The flip top design also facilitates easy opening and closing, enhancing user convenience. Features Suitable bottle outer diameter: 1.3cm -Color:Blue -Material:Aluminum plastic composite -Size:1.40X1.40X0.70cm/0.55X0.55X0.28in -Quick : the 13 mm fliptop cap is designed for quick and easy sealing of vials with a simple flip action -Leak prevention: constructed from aluminumplastic composite, these vial replacement stoppers effectively prevent liquid leakage, allowing a secure seal -Airtight protection: these glass vial replacement covers maintain the freshness of the product by preventing air from entering the vial -Versatile applications: ideal for glass bottle caps, these glass vial replacement seals are suitable for use in cosmetics, pharmaceuticals, and food industries -Firm construction: allows the safety of the products with its robust and build, making it a dependable choice Package list: 1000 vial seals