E-A-R Classic Earplugs Pillow Pak PK200 Noise Reduction Rating 29 dB Reusability Reusable Earplug Material Foam Earplug Packaging Carrying Case Earplug Pair Pack Type Cardboard Pillow Pack Series E-A-R Classic Standards ANSI S3.19-1974 CSA Class AL Pairs per Package 200 Earplug Color Yellow Package Quantity 200