Pleat style mask with earloops provides excellent coverage and comfort. Dual snaps for easy adjustment. Exceptional breathability for longtime wear. Constructed of low-linting apertured polyethylene film. Material(s): Outer: Polyethylene; Inner: BICOSOF* Fabric; Rating: ISO Class 5 or Higher; Size Group: Regular; Airborne Contaminant Resistance: Bacteria; Particles.