With a Noise Reduction Rating of 27, Howard Leight AirSoft Corded Earplugs with Carrying Case 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 high-visibility cord and convenient carrying case to help prevent loss or misplacement. There are 2 pairs of earplugs per pack.