3M 7000002321 is a cordless hearing protection device with an attenuation rating of 25.0 decibels. Its multi-flange shape ensures a secure fit, while its moisture-resistant feature makes it suitable for various environments. Made with elastomeric polymer, these reusable regular-sized earplugs provide excellent insulation. With no-roll insertion style and no requirement for roll-down, they are easy to use. The yellow color offers visibility and identification. Suitable for CSA Class AL requirements, they are also electrically insulated. These 3M earplugs are not metal detectable and do not come with a dispenser.