These Ear Peace HD High Fidelity Ear Plugs are a fantastic new ear plug that provide high quality, crisp sound whilst giving you protection from high levels of noise. Other Features Include: - Includes 2 filter sets for versatile protection. - Average noise reduction of up to 11dB in the medium protection filter and 14dB with increased high end protection in the high level filter. - Inconspicuous design makes them nearly invisible when worn. - Aluminium carry case included with detachable keyring. - Specially designed tab for easy insertion and removal. This pack also includes an extra ear plug at no extra cost!