Howard Leight USA Shooters Earplugs Individual 10 Pair Pack Red/White/Blue PK-1. US Shooters EarPlugs from Howard Leight provide consistent attenuation for all-day wear. They feature soft non-irritating polyurethane foam. This Howard Leight Ear Plugs require no rolling - its built-in flexible stem adds in ease of insertion and immediate comfort. Specifications for Howard Leight USA Shooters Red/White/Blue Earplugs: Manufacturer: Howard Leight NRR: 33 dB Features of Howard Leight US Shooters Ear Plugs: Have soft non-irritating polyurethane foam Disposable Noise Reduction Rating 33 Easy to use Package Contents: Howard Leight Red/White/Blue US Shooters EarPlugs Howard Leight R-01891-PK-1: USA Shooters Earplugs Individual 10 Pair Pack Red/White/Blue