4.2 oz., 100% cotton; Dark Ash is 90% cotton, 10% polyester; 3-Ply fabric; Only sold in pack quantities of 25, 1 unit = 25 masks; 40 packs/case, 1,000 masks/case; 7" x 5"; USA Made; Washable, reusable, and breathable; Mask does not meet N95 mask standards; No guarantee item will protect user from any illness; Non-returnable