These Howard Leight by Honeywell X-TREME Uncorded Disposable Earplugs are a low cost, reliable alternative to your current foam earplugs. Designed for extended wear on the job, the soft foam enhances comfort and the smooth tapered shape makes insertion and removal easy. The self-adjusting polyurethane foam expands inside the ear canal to fit virtually every wearer. This custom-fit expansion delivers a Noise Reduction Rating (NRR) of 32 for excellent hearing safety. The signature Howard Leight bright orange color makes earplug compliance checks easy to further promote ear safety. Corded/Cordless Pair: Cordless; Shape: Bell; Material(s): Foam; Noise Reduction Rate (NRR): 32 dB.