?Focus on the face shape, breathable and light. ?3D three-dimensional mouth and nose air chamber for smooth breathing (the three-dimensional air chamber for the mouth and nose increases the comfort of breathing and reduces the feeling of suffocation). ?Water-repellent design (due to the surface tension of water, it cannot easily penetrate the dense nanopores). ?The color of the product picture file will be slightly different due to differences in shooting and screen settings. Please refer to the actual color of the product shipped. Material: PP non-woven fabric Structure: 4-layer filter cloth Quantity included in the package: 30 pieces/box Origin: Made in Taiwan