3M™ Pre-moulded Ear Plugs are made from flexible materials that are preformed to fit the ear. They are generally available with a connecting cord to prevent loss and easy to carry when not in use. These reusable ear plugs are comfortable, hygenic and economical. One size fits majority of wearers. These patented, pre-moulded, triple flange earplugs are available in a variety of styles with different protection levels.