This comfortable, reusable and machine washable fabric mask is a great way to help protect against allergens, germs and pollution as well as the common cold, seasonal allergies, and breathing in smog. You can even use it as a room-darkening sleep mask to help improve the quantity and quality of your sleep. Embellished with sparkling crystals, each 2-ply mask features adjustable ear straps and a pocket inside for an optional carbon filter (#55330 sold separately) that provides extra protection. Hand wash. Polyester and spandex; imported. One size fits most adults. Choose: Gold or Silver. This item is not returnable.