Tested according to ANSI specs S3.19-1974 Radians Made in the USA disposable foam earplugs feature soft slow-recovery foam for extreme comfort and outstanding noise reduction to protect your hearing. They are easy to roll down and insert and they expand slowly for a low-pressure fit in virtually any size ear canal. They are available in a corded and uncorded options and are conveniently packaged in individual polybags to keep each pair clean.