Using blue shop towels in homemade face masks can filter particles two to three times better than cotton, according to Lindsay Medoff, the CEO of Suay Sew Shop.

The designers found that lining a cotton mask with two blue shop towels enhanced the mask's filtration rate up to 93 per cent when it came to 0.3 micron-sized particles.

The fashion designers that created a new blue-shop-towel surgical style mask are giving their design away for free. Business Insider Subscribe Newsletters ...

But these ultra-absorbent Zeppoli kitchen towels were more akin to flour sack towels, and they’re everything I’d ever wanted from a kitchen towel and more. I’d fallen hard. Zeppoli Classic ...