1. Fabric: mesh, waterproof fabric
2. Color: Black Red Blue
3. Installation Instructions:
1> The masks cover the nose and chin
2> on the back of the mask is fixed with Velcro
3> can be installed on the bridge of the nose wrought aluminum nosepiece, follow each different face and nose self-adjusting for a variety of face, high density
4> Check whether the right hand cover the face to see if the force of breathing air can flow
5> by adjusting the Velcro back and down to adjust the mask tightness