BT 100PCS KN95 Facemask 5ply N95 Face Masks Protective Masks Reusable Unobstructed Breathing White 5 Layers N95 Washable Facemask 3d Masks Not Single Use Beauty Facial

BT. Style: Earloop. Size 17.5*9.5CM. Implementation standard number: GB2626-2006. Thickness: 5 layers. Material: Non-woven. Function: Anti-fog, anti-formaldehyde. Applicable object: Adult. Filter effect: 99.6%. Folding thin section, lightweight and easy to use. High elastic rubber band, absorb sweat and not tight. 5-layer Protection: The filter element possesses 5 layers including 2 melt-brown layer, 1 cotton layer and 2 non-woven fabric for multiple filtering. Seamless Fit: Built-in nose bridge with strong plasticity and moderate bending makes the mask adapt face shape for no fog