Article 3 Mm Double Core Built-in Bridge Of The Nose
Article 3 mm double core built-in bridge of the nose
Sinopec PE environmental protection material + high quality galvanized tin, non-toxic no stimulation, good product, do not rebound, soft hard moderate does not hurt the machine.
One-time planar masks with: single core 3 mm, 3 mm double core, 3 mm all plastic.
KN95 masks with: 4 mm double core, 5 mm double core.