Case of Durawear Earplugs 32NRR. 10 boxes; 100 pairs per box. Super-soft, slow recovery tapered shape foam for easy insertion and removal. High visibility color plus bright color cord make compliance checks quick and easy. Low pressure, self-adjusting foam offers long wearing comfort and quick recovery time. Noise Reduction Rating(NRR): 32dB. Corded, 100 pairs individually packaged per box, orange. Comply with ANSI S3.19.