Patented curved flange design gently hugs the ear canal to provide an effective seal against noise. Triple flanges are soft and flexible, and insert easily for a gentle seal every time. Reusable plugs don't need to be rolled or sized to get a comfortable, protective fit. Soft, hypoallergenic polymer is washable and reusable. Firm stem allows easier insertion. Convenient cord keeps ear plugs handy and reduces loss. NRR 25dB (1 pair per package)