Hearing protection system worn by dentists and staff to reduce high-decibel sounds associated with some dental equipment. Offers a 15dB flat-attenuation noise reduction. A thermally activated stent is embedded in an ultrasoft medical silicone body. In the ear canal, the stent senses and responds to body temperature, expanding to securely fill the contours of the individual ear canal, which makes it comfortable for all-day wear. 1-year factory warranty.