<B>▸specification</B><Br><Br>Size: 7.87 X 5.90 Inch/20x15cm.Suitable For Most Adults .<Br><Br>Material Characteristics: 100% Polyester Fabric, Comfortable And Soft Breathable, Washable And Reusable.<Br><Br><B>▸this Mask Is Suitable For Many Occasions , Such As Subway, Shopping Mall, Street, It Can Also Be Used In Classrooms, Offices And Other Indoor</B><Br><Br>1.Open Face Cover Insert One <Br><Br>2.Cover Your Nose And Mouth With A Cover.<Br><Br>3.Adjust The Buckle On Both Sides Of The Cover To The Best Position.<Br><Br>4.Adjust The Nose Clip To Fit Your Nose.<Br><Br><B> ❤ Warm Tips:❤ </B><Br><Br>It Is A Reusable Mouth/ Face Cover, For Your Health, Please Wash Or Disinfect Regularly After Wearing For A Certain Period Of Time.