Radians Disposal Orange Foam Uncorded Earplugs are placed into the ear canal so that they totally block the ear canal. Tapered shape offers the most natural fit and seal for each canal. Smooth shiny surface repels dirt. Low pressure, self adjusting foam offers long wearing comfort and quick recovery time. NRR of 32 dB. Comes in a resealable bag of 50 pairs. Made in the USA.