Okay, that would not seem based on your description, to offer an effective barrier.
An aside - please note that there were *several* on these COVID-19 threads (including current regular posters) who claimed that masks were of limited value. They kept bringing up the "the virus is so small it will pass right through the mask!" garbage.
I'm glad that these posters and the CDC see the value of masks.
I actually have 3 commercially made masks. I bought them several years ago when I had significant problems with my allergies.
I have decided not to use the at the moment. I have been scrounging around my house to see what I have to make some cloth masks.
I have plenty of old linens, but the elastic is more of a problem. I just took apart and old dress and now have a stretchy drawstring. For more protection, I may add a layer of a vacuum cleaner bag (not Hepa, but supposedly has allergen filters.)
Today was probably the last time I will go to the grocery store without one. I am not in a hotspot and always go to the store at an off time. I think I was waiting until I saw more people wearing them