General Use – This is a general purpose face mask. Not intended for medical use. Each box contains 20 pieces. Made In Vietnam. Quality Construction – Made by the same skilled apparel workers that make Craft & Soul Men’s Clothing. The quality fabric, stitching, ear straps, and fit are designed for comfort and durability. Comfortable – Made of high quality two ply 35% Cotton/65% Poly blend knitted fabric. Soft texture and comfortable stretchable fabric that fits closely along the face. Breathable two layer design won’t fog glasses. Washable & Reusable – Easy to care for and can be used repeatedly. One size which fits most men and women comfortably with ear straps and excellent close fit. Craft & Soul Wishing You Peace & Health.