PRODUCT DESCRIPTION Howard Leight by Honeywell MAX Corded Disposable Foam Earplugs offer the best hearing protection in the workplace of any single-use earplugs (33 NRR). The pre-shaped, contoured foam is designed to fit almost any ear canal for comfortable all-day ear protection on the job. A closed-cell outer layer prevents dirt from building up. The cord drapes easily around your neck when earplugs are not in use. These earplugs are the most used PE foam earplugs in the world and are suitable for use in almost any industry. 100 pairs of earplugs per pack. FROM THE MANUFACTURER Max corded single-use earplug. The world's most used polyurethane foam earplug. Extremely comfortable, especially for long-term wear. Smooth, soil-resistant closed-cell foam skin prevents dirt build-up. Contoured bell-shape is easier to insert and resists the tendency to back-out of the ear canal. NRR 33.