This is a lot of 4 (50 masks) cases for a total of 200 masks. 

3 Layer Protective Ear Loop Mask
  • single use protective mask for daily use under usual environment.
  • outer Layer Non-Woven Fabric
  • Filter Layer
  • Inner Non-Woven Fabric
  • 17.5 cm x 9.5 cm
Directions:
  1. Remove the mask from packaging. Confirm strip is facing upwards towards nasal bridge
  2. Cover nose and mouth. Hang elastic band around ear loop for support. Press and fix nose clip for stability.
  3. Pull folding toward and cover lower chin.