Features a unique triple-flange design that softly hugs the sides of the ear canal to form a comfortable seal against harmful noise. UltraFit plugs are made from an advancednon-toxic, hypoallergenic polymer that is soft and flexible. For repeated wearings simply wash by hand using a mild detergent, and allow plugs to dry before wearing. Bright yellow plug with blue vinyl cord. NRR: 25 dB. 100 pair/box; 4 boxes/case.
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