3M 7000127672 Earplugs are cordless and provide a noise attenuation rating of 29.0 decibels. They are electrically insulated, reusable, and made of foam/thermoplastic material. The earplugs are push-to-fit foam and have a cylinder shape. They come in a regular size and have a gray color. The product code for these earplugs is P1400, and they are classified as CSA Class AL. The earplugs do not require a roll-down for insertion and have a slow-recovery foam feature. They are not metal detectable, moisture resistant, or dispensed with a dispenser.