3-ply defend, cleaner and safer, Ear-loop / tie-on, more choices, Nose clip contours to a variety ... face shapes and sizes. 1.Technical schedule Name: Surgical Non-woven Ear loop Face Mask Structure: 3 layers Box size:18.5X10.2X13.5cm Carton ... month/20ft container4. Certificate: TUV, CE, ISO5.Advantages3-ply defend, cleaner and safer, Ear-loop / tie-on, more choices, Nose clip contours to ...