Material | Non-woven Fabric + Melt-blown Fabric |
Size | 17.5*9.5cm |
Package | 50pcs/box,40boxes/ctn |
1. The outer layer of non-woven fabric can block droplets and dust.
2. Middle layer filter paper and melt-blown cloth filter fine particles.
3. The inner non-woven fabric absorbs the exhaled heat, which is skin-friendly and comfortable.
