HIWUP 100Pcs Black Disposable Face Masks PFE 99% Face Mask Suitable for Adults and Teens,black

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[Three Layers Protection]: The innermost layer is a soft non-woven fabric, super soft and gentle on the skin; The middle layer is a melt-blown polypropylene filtration layer for better filter out the particles in the air; The outer leak-proof layer covers the high density filter. Latex free. An adjustable metal wire runs along the top as a nose clip.
[Advanced Protection]: Premium Filter protects against 99% of particles larger then 0.3 μm, filter Efficiency = PFE 99%. For home, school and outdoors and personal needs. Full reports available upon request.
[High Quality]: Our top-quality mouth masks are made with trusted and durable materials. Soft and non-toxic, the 3-ply design uses a cotton inner layer, filtering middle layer, and non-woven outer layer for premium protection.
[Unique Designed]: Comfortable elastic earloop, extra-soft ear loops eliminate pressure to the ears.
[Dust-free production]: The production of every mask is zero-contact and dust-free. Ensure that the mask is clean and hygienic. The user can use it directly after receiving it.