Noise Reduction Rating (NRR): 22 dB, independently tested to ANSI S3.19-1974.Design: Sleek, curved under-the-chin "wave" band that floats away from the body and clothing to eliminate noise transmission from contact. Comfort: Ultra-lightweight with soft, angled foam pods designed to comfortably align with the entrance of the ear canal. Application: Ideal for work environments requiring frequent removal and replacement of hearing protection. Compliance: 100% PVC-Free® with trademark bright green high-visibility coloring for quick compliance checks. Packaging: Typically sold with 10 bands per box and 5 boxes per case, including one extra pair of replacement foam pods per package.