The Planet Waves Pacato hearing protection is a reusable, universal sized audio filter designed specifically for musicians and music enthusiasts. While other hearing protection can sound muffled and un-natural, the Pacato filters provide full frequency, enjoyable audio at safe listening levels. The exclusive design offers an open air passage to the ear, minimizing occlusion effect (low frequency emphasis), while keeping the ear ventilated for unmatched comfort. Provides a noise reduction rating of 19dB Provides natural sound at safe listening levels Universal size fits all ears comfortably Reusable and includes carrying pouch 60% of inductees into the Rock and Roll Hall of Fame are hearing impaired, protect your hearing today