features and benefits:
- ansi s3.19-1974 compliant meets niosh criteria.Certified noise reduction ratings (nrr) of 29 db
- simple fit - no squishing required
- fits all plugfones
- patented design
- specialized foam material
29 noise reduction rating (nrr) black replacement foam earbuds for all plugfones.This 10 pack will comes in a small enough package to fit inside your go bag, range bag, shop bag or pack.