Dimension: 7(l) x 4.3(w), cover half of the face from nose to chin to provide a secure and comfortable. Material: this mouth/face mask is made of skin friendly 100% high quality polyester, soft and breathable. Adjustable: ear strap can be adjusted according to your face size, so that you can wear it in the most comfortable state. Design: bright and vivid pattern, show your style. Reusable: washing will still long time the effect of dust blocking, more economical than.