3M PP-01-002 Classic Ear Plugs Uncorded | Disposable Hearing Protection | Noise Absorbing Foam | Moisture Resistant The 3M PP-01-002 Classic Ear Plugs Uncorded are disposable hearing protection solutions designed to provide optimal noise reduction. Made from noise-absorbing foam, these earplugs ensure a comfortable fit while effectively blocking out unwanted sounds. They are moisture-resistant, making them ideal for various environments where hearing protection is essential. The 3M™ E-A-R™ Classic™ Earplugs are disposable and designed for insertion into the ear canal to help reduce exposure to hazardous levels of noise and loud sound.