Closure (container)
Closures are devices and techniques used to close or seal a bottle, jug, jar, tube, can, etc. Closures can be a cap, cover, lid, plug, etc.
Other types of containers such as boxes and drums may also have closures but are not discussed in this article.
Read more about Closure (container): Purpose of Closures, Types of Closures, Examples, History, The Manufacture of Closures