HOWARD LEIGHT QM24PLUS QM24+® LIGHWEIGHT DIELECTRIC HEADBAND EARMUFF, NRR 25 THE DIELECTRIC QM24+® IS AN ULTRA-LIGHTWEIGHT, THREE-POSITION EARMUFF DESIGNED FOR EXTENDED WEAR. WEIGHING ONLY 6 OZ., IT FEATURES AN ADJUSTABLE CROWN STRAP FOR A SECURE FIT OVER-THE-HEAD, BEHIND-THE-HEAD AND BELOW-THE-CHIN. SOFT FOAM CUSHIONS ARE EASY TO CLEAN WITH SOAP AND WATER, AND CAN BE REPLACED FOR EXTENDED USE. ALTERNATIVE TO CAP-MOUNTED EARMUFFS ¿ WEAR WITH HARD HATS, FACE SHIELDS, RESPIRATORS AND OTHER PPE. DIELECTRIC CONSTRUCTION SUITABLE FOR ELECTRICAL ENVIRONMENTS.