- Foam polyurethane
- Highest noise reduction rating of any single-use earplugs; the world’s most used polyurethane foam earplug
- Bell shape matches contours of your inner ear to ensure maximum noise reduction and resist tendency to back out of ear canal
- Smooth, soil-resistant closed-cell foam skin helps prevent dirt build-up
- Polyurethane foam enhances comfort, especially for long-term wear; 200 pairs of earplugs per refill pack
- Noise reduction rating 33; recommended industries: farming, chemical, construction, Law Enforcement, manufacturing, military, mining, municipal, oil & Gas, pharmaceutical, steel, metal, transportation
