1. Premolded, triple flange earplug s fit comfortably in a wide range of ear sizes
2. No need to roll earplugs before fitting so the tips stay clean even if hands are dirty
3. Soft polymer is washable and reusable, reducing both waste and costs
4. Noise reduction rating (NRR) 25 dB. CSA Class AL
5. Carrying case keeps earplugs clean and accessible for re-use.