100% cotton rib; Only sold in pack quantity of 100, 1 unit = 100 masks; MSRP = 1 pack of 100 masks; Dual layer system; Breathable comfort rib fabrication; One sizes fits most; Washable & Reusable; Made in Mexico; 5" W x 7.5" L; Mask does not meet N95 mask standards; No guarantee item will protect user from any illness; Non-returnable