Howard Leight USA Foam Earplugs offer the best hearing protection for shooting of any single-use earplugs (33 NRR). The pre-shaped, contoured foam is designed to fit almost any ear canal for comfortable all-day wear. A closed-cell outer layer prevents dirt from building up. These earplugs feature a patented red, white and blue color design in tribute to USA Shooting Team. Suitable for use as shooting earplugs at the range or hunting earplugs in the field. There are 10 pairs of earplugs per pack.