Honeywell AirSoft Corded Reusable Flanged Earplugs with Storage Case, 1 Pair (RWS-53003) Four-flange design features noise-blocking fins that eliminate "plugged up" feeling, create a better more comfortable seal, and provide optimal protection Patented internal air cushion features rounded flanges and tapered shape that fits better in the ear canal Firm stem allows for proper insertion and easy removal; washes easily with soap and water Corded for easy carrying around neck; keeps earplugs away from dirt and prevents them from getting lost Noise Reduction Rating 27; includes carrying case for easy storage