Match your new 2021 LouCity jerseys with our kit collection of masks! NOT MEDICAL GRADE. Anti-Dust face covering. Includes a interior pocket for additional filter. Outer is made of 88% polyester/12% Elsatane while the lining is made of cotton. Reference CDC for proper use and cleaning. https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/diy-cloth-face-coverings.html"