3M 7000127178 earplugs are cordless and provide a high level of hearing protection with an attenuation rating of 25.0 decibel. The push-to-fit foam shape ensures a comfortable and secure fit. These earplugs are electrically insulated and reusable, making them ideal for various environments. They are made of a foam/thermoplastic material and come in a regular size with a round shape. The push-to-fit insertion style and slow-recovery foam make them easy to use. The earplugs are yellow in color and come without a dispenser.