The SureFire EP10 Sonic Defenders Ultra Max earplugs provide the highest level of hearing protection with an impressive 30 dB Noise Reduction Rating (NRR) and soft memory-foam Comply Canal Tips for maximum comfort and protection.SureFire EP10 Sonic Defenders Ultra Max Earplugs - 25 Pairs30 dB Noise Reduction Rating for maximum hearing protectionSoft memory-foam Comply Canal Tips for near-custom fitFull-block design seals ear canal completelyAll-day comfort for extended wearReusable non-electronic hearing protectionBulk packaging for cost-effective protectionIdeal for industrial tactical recreational and everyday use where maximum protection from continuous noise is needed. Perfect for environments where blocking ambient sounds and conversations isn't a concern delivering superior comfort protection and retention.