Most Visible Color - Meets Ansi’S Highest Luminescent Factor Requirement Of 70% For Hi-Viz Safety Apparel. Bright, Easy To Locate Color (Ansi Fluorescent Yellow-Green) Allows More Efficient Compliance Checks And Fast Acquisition Under Sudden, Dangerous Noise Conditions. High Performance Noise Reduction – With A High Noise Reduction Rating (Nrr) Of 28 Decibels, These Noise Blocking Earplugs Help Reduce The Potentially Harmful Effects Of Loud Noise, Such As Gunfire Extreme Comfort – Made With Super Low-Pressure, Slow Release, Comfortable Foam. Mack’S High Visibility Soft Foam Earplugs Are Ergonomically-Shaped For Extended Wear In Situations Where Extreme Comfort Is Paramount. Lightweight, Flexible Band – Integrated Sound Absorbers Reduce Transmission Through The Band. Thumb Grips On The Stem Allow For Quick And Easy Insertion. Great For Tactical Training, Hunting, Target Shooting, Skeet And Trap Shooting, And Loud Events. Usa’S #1 Doctor Recommended Brand Of Foam Earplugs To Protect Hearing Or Prevent Hearing Loss. Enjoy Shooting Safely. Trust Mack’S, The Brand That Doctors Trust. Satisfaction Guaranteed!