Bilio Mask Comfort. Performance. Sustainability. Face masks for the public to keep local healthcare workers safe. Made in the U.S.A., the Bilio Mask™ is washable and reusable, "knit-to-shape" with zero waste, and designed with a recycled polyester and silver yarn blend that requires no post-processing. Lets ensure medical supplies are saved for those who need it most. Together we can make a difference.