- Proprietary soft energy absorbing polymer foam
- Firm material with slow recovery time helps achieve good fit
- Special cylindrical shape that fits most ear canals and provides reliable seal
- Low equilibrium pressure helps reduce pressure in ear canal thus increasing comfort and wear ability
- Exposed cell surface texture resists movement and helps maintain effective seal
3M EAR Ear Plugs 2 Pairs are made from expandable slow-recovery foam, and they perfectly fit in the ear.They provide the best combination of comfort and protection for most users. Once in the ear, foam plugs expand to provide a snug and secure custom fit.