'Full-block' design and expandable memory-foam tips provide 30dB Noise Reduction Rating (NRR) to protect against potentially harmful noise-the highest of any Sonic Defenders earplug Soft memory-foam Comply Canal Tips provide secure seals in ear canals for near-custom fit and all-day comfort Patented EarLock 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 Available in Clear, Black, or Orange 26' attachable/detachable lanyard and convenient carrying case included Additional pair of Comply Canal Tips included Features 90-day warranty