The Milwaukee Tool Reusable Corded Ear Plugs are designed for all-day comfort. The corded earplugs allow for easy access and can be worn around the neck while not in use. They are made with soft silicone for all-day comfort and have a quick-fit design for fast use and a proper seal. The earplugs also have a Noise Reduction Rating (NRR) of 26dB to protect against hazardous noise. The earplugs include a case for easy storage and come in a pack of three.