S size: length and width is 17.5cmx13cm, suitable for women or children, people with small faces.
M size: length and width is 20cmx15cm, suitable for adult men and people with large faces
2Pcs Face Shield (excluding filter). You Can Adjust The Length Of The Mask To Suit Your Face
Breathable: It Is Very Comfortable To Wear Because Of The Soft And Light 100% High Quality Polyester.
Washable:Hand wash and machine wash are both available.The pattern is real and clear, will not fade and can be used for a long time.