3M 7000127654 Earplugs are designed to provide effective hearing protection with an attenuation rating of 31.0 decibel. They feature a roll-down foam style that is tapered for a secure fit and are electrically insulated. These earplugs are corded with a vinyl cord, making them easy to keep track of during use. They are made of foam material and are disposable. The large size and bullet shape ensure maximum comfort, and the roll-down insertion style with slow-recovery foam makes them easy to use. Each package contains 200 pairs of yellow earplugs with blue vinyl cords.