Built to offer optimal ear defense, the AOB Cord Range Plugs 10PK ensures you remain focused on the range without distracting noises. The range plugs are constructed from polyurethane foam in a tapered design that simplifies the process of plugging them in. Plus, their comfortable build allows you to wear them for extended periods. The inclusion of a cord and clip lets you attach the plugs to your shirt collar or hat for easy reach. With an impressive noise reduction rating of 31dB, these ear plugs significantly filter out loud sounds. All the unused plugs can be securely stored in the provided screw cap bottle.