3M 7000002299 Earplugs offer reliable hearing protection with an attenuation rating of 29.0 decibels. These roll down foam earplugs are electrically insulated and moisture resistant, making them suitable for various environments. Designed in a cylinder shape, they provide a comfortable fit for regular-sized ears. The slow-recovery foam and roll-down insertion style ensure proper placement and secure sealing. Although not metal detectable or reusable, these earplugs offer effective noise reduction and can be used in CSA Class AL environments. Dispenser availability is not mentioned for this product.