Quattro is a universal size reusable ear plug, designed to be used over and over again, with maintained comfort and effectiveness. Features a four flange design that allows this ear plug to fit almost all ear canals. Made of an ultra-soft polymer for a comfortable and effective seal.Each plug has a sturdy and stiff handle that allows an easy grip for insertion and removal. Material is resistant to ear wax and body oils and will outlast PVC ear plugs by many months. Polymer is non-allergenic and non-irritating to the sensitive skin in the ear canal.
Noise Reduction Rating is 25 dB, and the test was performed to ANSI S3.19-1974 at an independent and certified laboratory.