3M E-A-R Classic Ear Plug Boxed 3MPP01002 3M E-A-R One Touch Ear Plug Dispenser3MPP01002 Classic earplugs are made from a soft energy absorbing polymer foam, which allows the user to roll the plug down for easy insertion into the ear canal and then expand slowly to form a comfortable seal against noise. Ideal for use where ever noise is a problem, either in work or leisure activities.