Feature soft, slow-recovery foam for comfort and noise reduction. Easy to roll down and insert, and expand slowly for a low-pressure fit in virtually any size ear canal. Tapered bullet shape. Corded models have PVC dielectric cord. Conveniently packaged in individual polybags to keep each pair clean. Dispenser can be used as countertop or wall-mount display. Tested to ANSI S3.19-1974. Made in USA.