So you think this mask works Face Mask Reusable, Washable
- Printed in the USA.
- Comfy two layer protective face mask with black soft stretch ear straps.
– Inside layer consists of soft & cozy ultra breathable nylon spandex.
– Outer layer consists of anti microbial micro knit polyester.
- Reusable, machine-washable.
- Waterproof, breathable.
- One size fits all.
- Black elastic ear loops.
- Outer layer designed for printing photo quality artwork.
- Non-medical grade, not intended for clinical use
26 thg 6, 2020 – But health experts say the evidence is clear that masks can help … reversal on mask-wearing, the current science on how masks work, and … “You don’t throw up your hands if you think a mask is not 100 percent effective.