The QB2 (NRR 25) has softly styled foam pods shaped for supra-aural protection. The pods fit easily inside the ear canal opening and provides a level of protection at NRR 25. The reusable soft foam ear pods are designed for wearer comfort and are washable with soap and water for long term hygienic use. Ratings: NRR 25, SNR 23, SLC80 23.0. Sold 10 in a box.