Snug Fit: Bullet shape matches contours of your inner ear to ensure maximum noise reduction and hearing protection. Used to provide a quiet environment and block out loud noises, the self-adjusting foam quickly expands to fit the ear canal. Noise Suppression: Protecting your ears from exposure to hazardous noises around you, Our One-time/Disposable Foam Ear Plugs offer one of the highest noise reduction rating of 32dB; One size fits all, sold in a pack of 200 pairs. Material: Made from non-irritating polyurethane material, enhances comfort for long-term wear; Sound-absorbing super soft PU foam materials bring you better noise reduction performance while promoting hearing safety in the workplace. Packaging: These plugs are individually packed in pairs in a convenient dispenser box making them easily portable; The plugs not only effectively block out noise, but the convenient packaging also ensures hygiene protection. Certified: Loud noise, continuous or intermittent, can cause permanent damage to the ear and result in hearing impairment. Our foam earplugs act by absorbing sound and echo and are independently d and certified to NRR 32 (ANSI S3.19) and CSA Class AL. Frequently Bought Together: Pair our 32dB NRR Disposable Uncorded Foam Ear Plugs with any of Sellstrom's Noise Cancelling Safety Ear Muffs to ensure maximum combined protection in high levels of sound exposure.