Five-layer 3D protection is more secure
Better filtering effect and higher protection
Middle layer: 2 layers of water-retained meltblown cloth
1 layer of hot air cotton
The nose bridge has good plasticity
The ear straps are made of nylon spandex with high elasticity and comfort
The ear straps are more in line with the face shape of foreigners and more comfortable
Ear strap cord can be customized length
Single piece individual plastic packaging