With a Noise Reduction Rating (NRR) of 27dB, AirSoft Flanged Corded Reusable Shooting Earplugs offer unparalleled hearing protection for shooting in a multiple-use earplug.These earplugs feature a unique, four-flange design that creates a better seal in the ear without that plugged up feeling you can get with other earplugs. This is attributable to the noise-blocking fins, which form low-pressure air pockets in your ear canal. The result is more comfortable, more dependable earplugs.The firm stem and tapered design makes for easy insertion and removal. These shooting earplugs also come with a red cord and convenient carrying case, to help prevent loss or misplacement.Color: Blue and Red2 pairs of earplugs per pack with carrying case.Four-flange design features noise-blocking fins that eliminate “plugged up” feeling, create a better more comfortable seal, and provide optimal protection.Rounded flanges and tapered shape fit better in the ear canal; firm stem allows for proper insertion and easy removal.Redcord helps prevent loss/misplacement by draping easily around neck for temporary storage.Noise Reduction Rating (NRR): 27dB.