Alpha ProTech Critical Cover® Combo® Facemask w/Shield is hypoallergenic and fluid-resistant with an optically clear shield. Face shield attaches to the mask with snaps for easy removal where applicable. Shield is 7 mm thick with an anti-fog coating, low glare, and is distortion-free. Lightweight. Tie-Back or Ear-Loop styles. 100/cs in 4 dispenser boxes (25/box).