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 3 multicolor crystal butterflies, the 3-ply mask has adjustable ear loops and a pocket inside for an optional carbon filter (#55330 sold separately). Hand wash. Cotton and polyester; imported. One size fits most. Approx. 13"L x 4 1/2"H. Choose: Black, White or Pink. This item is not returnable.