These face masks come in a standard average size that fits most face size, which can provide you endless comfort and fit just right with extra durability and flexibility during wear. It works well in the cold winter, which can prevent wind or air from your face, keep your face warm, it also can work as UV protection face mask, made of stretchable polyester fabric, which is gauzy and soft, easy to wash and dry quickly, you can expose your eyes or nose outside, so it is ventilate, durable for you to use for a long time. Various color choices can satisfy your various needs and easy to match with your daily outfits.