Ultra-lightweight for prolonged usage, providing excellent protection for most environments. The QM24+ is a three-position muff that weighs only 6 oz. The high visibility red cups and black band add style to an extremely functional earmuff. Pivoting ear cup connection maintains seal and alignment. Three-position headband fits any head size and can be worn over the head, behind the head or under the chin. NRR 25dB. Tested to ANSI S3.19-1974 standard. Sold by the each.