· 100% cotton - 4 Layers of natural fabric to reduce intake of aerosol particles.

· Reusable - Machine Washable - Please note that since these germicidal face masks are made of 100% natural material, they will shrink.

· Wash with cold water and soap. Scrub it well with hands and let it air dry to minimize shrink.

· 100% cotton germicidal masks, we have made our masks slightly larger to account for the shrinkage. We advise customers to cold wash and air dry.

http://www.koyonymasks.com/