Classic ® corded earplugs have been a proven performer for 25 years
The warhorse of foam earplugs; these corded earplugs are the most commonly used earplugs in the world. These corded earplugs have a slow recovery PVC foam that gives you comfort and low pressure. Lab-tested Noise Reduction Rating of 29 means offensive noise is greatly reduced when using these corded earplugs. Moisture-resistant, skin-safe foam is non-irritating. Easy-to-use, wall-mounting dispenser box contains 200 individually packaged pairs. Corded style. USA made.
2016 Master Catalog: Page 49