MOLDEX Sound Earplugs BATTLEPLUGS M Size Combat/Shockproof

●These are ear plugs officially adopted by the US Army. ●Allows human voices to pass through while blocking out explosive sounds. ●Can be used to counter impact noise in private factories and for people with hyperacusis. ●Measures against large press noise and explosive noise in factories. ●Hearing hypersensitivity. ●Code: Yes (720mm)●Size: M●NRR value (dB): 24 (when cap is closed)●Mass (g): 17 ●NRR value: 24dB (when cap is closed) ●Thermoplastic elastomer