E-A-R™ Ear Plug, Corded, Series: Classic™, 31 dB Noise Reduction Rating, Cylindrical, Universal, Yellow Plug, Polyurethane Foam Plug, Blue Cord, Vinyl Cord
- Proprietary thermal-reactive foam
- Regular size fits most earcanals
- Soft earplugs are made of proprietary thermal-reactive foam
- Plugs start out firm for easy fitting then soften from body heat for a comfortable fit