Very thin and light but not a game changer.
I was searching for “gray masks”. These came up. The picture looks like blue, black and gray masks. The are in fact blue, black and white masks.  You have to dig deep into the description to see the are white. All images lead you towards a heather gray.  They are very thin and light. It would make a great particle mask for construction or painting.  Both sides are colored so you could easily put it on backwards.
Rating: 2 stars