The protection, also known in France as an "inclusive mask," consists of a clear plastic panel stitched between two pieces of fabric. Breathable material covers the nostrils, but the mouth is visible.

Clear masks look like a cloth face covering ... Their “Smile Mask” is made with cotton fabric and a plastic panel that is BPA-free. According to the website, their masks are three layers ...

Franks devised the mask she produces by cutting a hole out of a regular cloth mask and inserting clear, plastic Mylar her husband uses at his comic book shop to bag and preserve rare comics.

Clear masks are a great idea, she adds, but there’s still relatively little research on their effectiveness in preventing viral spread. They’re usually made of plastic rather than cotton ...

We do allow masks with sewn-in clear plastic windows or clear plastic masks that seal around nose and chin." So we can verify this mask is not a safe alternative to the cloth masks.