Alpine MusicSafe Classic contains two different and exchangeable sets of music filters with outstanding sound characteristics with medium and high protection rates. The AlpineAcousticFilters 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 MusicSafe Classic earplugs are produced from very soft, flexible and durable AlpineThermoShape material. Due to the warmth of the ear it adapts to the shape of the auditory duct. Therefore, MusicSafe Classic is very comfortable to wear. MusicSafe Classic comes with a travel box with two practical compartments, allowing you to store the earplugs and the filters separately. The cool travel box is made of Aluminium, has a firm clasp and is shock resistant. The ring allows you to attach the travel box to your keychain, belt or the zipper of your guitar bag. From now on, you will never have to leave home without your earplugs.