A fluid-resistant colored outer layer and white, hypoallergenic cellulose inner layer that is ideal for people with sensitive skin. Void of any inks, dyes, or chemicals. PFE exceeds 99% at 0.1 µm. Meets ASTM face-mask standard for fluid resistancy. Ear loops are sonically attached to outside of mask to eliminate skin irritation. Enclosed aluminum nosepiece; high breathability. Made in US. Latex-free.