3-ply defend, cleaner and safer, Ear-loop / tie-on, more choices, Nose clip ... and sizes. 1.Technical schedule Name: Surgical Non-woven Ear loop Face Mask Structure: 3 layers Box size:18 ... TUV, CE, ISO5.Advantages3-ply defend, cleaner and safer, Ear-loop / tie-on, more choices, Nose clip contours to ... and sizes, Ultrasonically sealed soft stretched "latex free" ear-loops, safer and cleaner. face mask