Independently tested NRR 27?? with a new sound dampening additive.</br>Earplugs can be washed and reused.</br>Pocket-Pak?? carrying case provides hygienic storage of plugs between uses.</br>uncorded</br>Qty: 2 pairs</br></br>Product Description</br></br>With an NRR 27 rating?? the Rockets reusable ear plugs provide serious protection for most noisy environments. Tested independently in an accredited laboratory to ANSI S3.19-1974. The air bubble in the tip provides cushioned Rockets ear plugs can be washed and reused. Each pair comes with a Pocket-Pak carrying case to keep them clean when not in use. The smooth shape slides easily into your pocket. No sharp edges.comfort for all-day wear. The soft?? flexible flanges provide a superior seal and fit most size ear canals. Qty: 2 pairs Please Review Our Accurate Pricing?? Photo?? And Description Policy.</br><br/>http://www.amazon.com/gp/product/B0024X13CK