3M 7000002309 earplugs are designed for hearing protection. These corded earplugs have an attenuation rating of 25.0 decibels and a push-to-fit foam shape for easy insertion. They are electrically insulated and reusable, making them ideal for various environments. The earplugs are made from foam/thermoplastic material and come in a regular size with a round shape. They are available in a yellow/blue color combination. Each package contains 100 pairs of earplugs and the cord is made of blue vinyl.