Collapsible
air cavity design allows easy insertion. Comfortable for all day
use.
• Noise Reduction Rating of 24.0
• Conical shape, one size fits all
• Corded or un-corded
• Non-toxic, hypo-allergenic
• Reusable, wash with warm water and mild soap
• Includes storage case and chain
• Meets ANSI S3.19-1974