... ,3 plyType : with round or flat earloop or with tiesColour : green, white, blueSize : 9x17.5cmPacking: 50pcs/inner box; 40boxes/cartonFit ... free,high filter material.Extremely light weight,fits comfortably on face. Choose high grade nonwoven material,eliminate static electricity,make sure ... ,comfortable, According to different customers' requirements. 3-ply Disposable Nonwoven Face Mask FEB3