SureFire Foam Replacement Tips (25-Pair) 28dB Noise Reduction Rating (NRR) with filter caps inserted Patented Ear Lockretention rings utilize seven contact points to lock earpieces in place and fit the same way every time Soft memory-foam CanalComply Tips provide secure seals in ear canals and all-day comfort Low-profile design allows you to keep them in place while wearing a mask, helmet, hat, or while using phone, headphones, or supplemental hearing muffs 26" polymer lanyard included Ultra-Soft Memory Foam Delivers All-Day Comfort And Less Irritation And/or Ear Canal Fatigue Size: Large Color: Black