1. Three layers of protection: Non-woven outer layer + filter paper layer + skin-friendly non-woven inner layer. Breathable and comfortable, low breathing resistance.
2. The plasticity strip of the bridge of the nose hides the side of the bridge of the nose. More suitable for all face shapes.
3. High elastic flat ear strap. Does not strain the ears.
4. Inner layer: Skin-friendly non-woven fabric. Soft and comfortable reduces the possibility of skin irritation.
5. Physical ultrasonic welding, welding point dense, sturdy and durable, fine workmanship.
Size: 17.5 X 9.7cm/6.89 X 3.82"
Quantity: 20/50/100/200/300/400 pcs
Uses Anti-Dust/Smoke/Pollen, etc.
Not individually packed!