In Black In Case- The MusicSafe Classic contains two different and exchangeable sets of music filters with outstanding sound characteristics with medium and high protection rates. These Alpine Acoustic Filters guarantee an optimal protection without loss of clarity while at the same time you can perfectly enjoy the music. MusicSafe Classic earplugs with special music filters are an open system so that one has no feeling of isolation. The sound quality of the music remains preserved Very comfortable to wear and hardly visible in the ear Two different filter sets for medium and high protection Reduces harmful noise and prevents noise deafness With luxurious convenient travel box with a separate section for the earplugs and a separate section for the filters Reusable and durable