The band design allows earplugs to rest comfortably around the neck when not in use, benefiting workers that move to & from loud noise areas; With a noise reduction rating of 25dB, the soft pods provide a universal fit and effective sound-blocking. Reusable, lightweight and easy to use, our banded ear plugs are a great choice in hearing protection; With a noise reduction rating of 25dB, they are a smart choice to maintain focus and keep distractions at a minimum. Made with a non-allergenic polymer material, these can be washed and reused dozens of times, helping to reduce wastage; Compliance enforcement is made even easier due to the Hi-Vis green band offering a great balance of protection and comfort. Convenient: With a lightweight and portable design that prevents the ear pods from touching dirty or contaminated surfaces, these are easy to use in environments with regular or intermittent noise hazards; Making them easy to install or remove. Used extensively on construction work sites, airports, racetracks, factory and shop applications and wherever reusable ear protection is required, these are Independently tested and certified to NRR 27 (ANSI S3.19) and CSA Class AL. The ergonomic design with comfortable blue earplugs can be easily replaced when dirty; Pair them with Sellstrom's Replacement Plugs/Pods (S23431) to ensure workers always have quality hearing protection when required.