Andria Lieu Office Collection Multi-colored Pinstripe mask is comprised of 4 woven cloth layers: 100% pima cotton outer, two layers of 100% pima cotton broadcloth lining, and a removable pima cotton liner insert. Designed for comfort and coverage, these washable masks are shaped to contour the face and provide the greatest area of protection. Elastic loops around the ears. Made in USA. Non-medical.