Choose Ultimate Protection. Want the most effective and most comfortable in-ear hearing protection available? EP10 Sonic DefendersA(R) Ultra Max earplugs answer the call, providing the highest level of hearing protection made by SureFire - an extraordinary Noise Reduction Rating (NRR) of 30 dB. These "full-block" earplugs feature soft memory-foam Comply(TM) Canal Tips that seal in the ear canal, blocking out potentially harmful noises and providing all-day comfort. They are an excellent choice for industrial, tactical, recreational, and everyday applications where maximum protection against continual noise levels is desired and the ability to hear ambient sounds or conversations is not a priority. For affordable, non-electronic hearing protection that's reusable and provides maximum protection, comfort, and retention, there's no beating EP10 Sonic Defenders Ultra Max. Features: EP10 Declaration of Conformity Patented, foam-tipped earplugs that deliver superior hearing protection Provide a 30-dB Noise Reduction Rating (NRR) to protect against potentially harmful noise Ideal for industrial, tactical and recreational applications "Full-block" design and expandable memory-foam tips provide 30-dB Noise Reduction Rating (NRR) to protect against potentially harmful noise - the highest of any Sonic Defenders earplug Soft memory-foam Comply(TM) Canal Tips provide secure seals in ear canals for near-custom fit and all-day comfort Patented EarLockA(R) retention rings utilize seven contact points to lock earpieces in place and fit the same way every time Made from hypoallergenic medical-grade polymer that's soft, comfortable, and durable Low-profile design allows you to keep them in place while wearing a mask, helmet, or supplemental hearing muffs 26-inch attachable/detachable lanyard and convenient carrying case included Additional pair of Comply(TM) Canal Tips included 90-day warranty