Howard LL 30 Ear Plugs, Contoured T, 32 dB NRR, Gen Purpose, Corded, Disposable, 100 PK 5RPK3 Chamber Material Aluminized Steel Chamber Material Aluminized Steel 35 minute supercharge to 80% with the M18 Dual Bay Simultaneous Super Charger Style Corded Catalog Group H0960 Style Corded Cord Color Yellow Earplug Pair Pack Type Plastic Bag Sub brand Laser Lite(R) Cord Material PVC Metal Detectable No Band Material PVC Band Color Yellow Standards ANSI S3 19 1974 Tested Insertion Method Roll Down Earplug Packaging Bulk Box Earplug Size Universal Noise Reduction Rating (NRR) 32 dB Pairs per Package 100 Earplug Color Magenta Yellow Reusability Disposable Earplug Shape Contoured T Earplug Material Foam Series Laser Lite Country of Origin USA