While gold is a pricey material, the amount needed is so small (it's about 12 times thinner than a typical gold leaf) that it shouldn't add much to the price of your glasses.

The LEAF Mask delivers N99+ level protection, with state-of-the-art U-Series HEPA filtration blocking 99.9997% of particles down to 0.3 microns in size.

LEAF's Co-Founder and Innovation awardee Alex Lightman says "Leaf was designed to be the gold standard in the face mask in Covid19. It's 2020 and we now have a mask that looks and acts fully modern.

Gold leaf is commonly used to apply a gold layer to sculptures, frames, documents or other objects. It’s real gold, but it’s not very expensive. For as little as about $10 you can get a few ...

Gold leaf -- gold metal hammered into thin sheets -- is used by artists and crafters to gild picture frames, artwork and clothing. Despite its luxurious appearance, the material is affordable and ...