Need a mask for work or use around town? We've got you covered with our new American Grit elastic face masks. Built from our WorkDry(R) performance polyester, these masks allow for you to protect those around you while showing pride in your country with the stars and stripes of our flag. 100% WorkDry(R) Performance Polyester. Elastic Ear Straps. 2 Sizes Available, S/M & L/XL. Florescent Yellow & Black. American Grit Patriotic Flag Pattern. Double-Needle Stitching. Filter Sleeve (Fits PM2.5 Filters). (NOT FOR MEDICAL USE).