Earplugs (earbuts, ear tips) for a headset where the sound is directed to the ear via air tube (also called “security ear kits”). Fits directly into the ear canal. Works well in both quiet and noisy environments; both indoors and outdoors. For example, in environments with a lot of ambient noise such as the public, cars racing by, planes roaring and so on. Universal earplugs are made of soft silicone, color white – transparent. Cleaning with lukewarm soapy water. In plastic bag with 6 pieces.