■ 3D printed detachable skeleton, foldable, skeleton support, three-dimensional shape, increase breathing space, prevent makeup off.
■ According to the standard in GB 2626-2006 6.3, the required filtration efficiency is ≥95%.
■ The outer fabric adopts fluorine-free super-hydrophobic fabric, which is hydrophobic, anti-fouling, anti-spray，environmentally friendly and durable.
■ The filter layer uses a high-strength ePTFE microporous film composite material, and uses its high-filtering and low-resistance physical structure to filter fine particles in the air, which has a more stable filtration efficiency.
■ The inner layer selects antibacterial bamboo-fiber cotton to keep the skin hygienic. This fabric is skin-friendly and comfortable, hygroscopic and breathable.
■ According to the professional test report, no formaldehyde was detected in the outer and inner layers of the mask, which is environmentally friendly.
■ Three-dimensional cutting, retaining a large cavity, fitting the facial curve, suitable for a variety of face shapes.
■ Soft and elastic adjustment buckle，no tightness on the ears.