Features
1. 100% Brand new and high quality 2. Made by high quality pure cotton material 3. Comes with breath valve to offer comfy mask wear 4.Thicken design will keep you warmer 5.Skin friendly cloth will avoid skin allergy,keep comfortable wear all the time 6.3D tailored basing on ergonomics, more fit to the face contour 7.Built with filter inserted design (Suggest replacing the filter paper for the mask every 5~7 days) 8.High elasticity ear strap with adjustable lock,let you extend or shorten the rope for optimal wear, soft and more comfortable 9. Washable, can be repeatedly used 10.Collapsible, you can put it inside your pocket and bring it anywhere
