Milwaukee's Reusable Corded Ear Plugs (3 Pack) are designed for all day comfort. These MILWAUKEE? ear plugs with cords allow for easy access and can be worn around your neck or hung on a cart while not in use. The corded ear plugs are made with soft comfortable silicone for all day comfort and a quick fit design allows you to get back to work faster, while achieving a proper seal. These reusable ear plugs have an NRR of 26 to protect you against hazardous noise. These soft ear plugs also include a case for easy storage.