Non-medical grade. Convex 3D shape for comfort and breathability. Flattering cut to suit any face shape. Adjustable earloops to customize the size. Flexible nose wire provides a secure fit. Three-ply with a built-in filter for increased protection. Includes a hidden filter pocket for disposable filters. Includes a special pouch for storing or gifting. Washable/reusable. Body, polyester. Lining, cotton.