The triple flange design hugs the ear canal and increases attenuation. Ear plugs
are washable and reusable, making them an economical choice. Advance polymer material gives maximum comfort and durability, so you get the most out of every wear. Nontoxic and non-allergenic. ANSI S3.19-1974/CSA Z94.2. 100 pr/Box.Do you order this product often and/or in large quantities? Check out our Large Order Program to save yourself time and money.