The QM series hearing protection is designed for use when constant noise is not an issue. Designed to be easily removed and stowed around the neck for lightening quick deployment when hearing protection is needed. These replacement pads adhere to the standards of the original QM2 earplugs. They easily snap into place on the existing band and within seconds your ear protection is ready for use. Keep in mind that, for environments with sustained high volumes, an additional pair of earmuffs or form fitting ear protection should be used. Order your box of 50 pairs for your shop, jobsite or plant.