4.2 oz./yd², 100% cotton; Dark Ash is 90/10 cotton/polyester; Alternate Heathers are 50/50 cotton/polyester; 3-Ply fabric; Washable, reusable, and breathable; USA made; Sold in poly-bagged packs of 25 masks. 1 unit = 25 masks; 7" W x 5" L; *Specs do not include the ear loops ;