DURAN® Cylinder with knobbed lid, polished rimDURAN Cylinder, with knobbed lid, 80 x 80 mm Ideally, containers that can be closed are used to store substances and materials. In this way, substances and materials can be protected from unwanted effects. These containers are available in various shapes such as cans, cylinders or jars. The choice of the vessel depends on the application and or nature of the material. Features and Benefits: The lid can be opened easily while using the button Fired on,