MATERIAL DESCRIPTION: Made of high quality function material, Use three needles five thread, The stitching surface is very beautiful & close to your skin. Machine washable, 4-way Stretch, Very Quick DryDESIGN DESCRIPTION? Full-frame Printing, Single-sided Printing.adjustable Face Mask - The Ear Loop Of Our Polyester Face Cover Is Adjustable, You Could Freely Change Its Length According To Your Face Contour, Preventing Leaving Trace On Your Face After Taking Off.one Size Fits Most.Stylish Functional Covers Are Ideal For Dust, Smoke, Pollution, Ash, Pollen, Travel, Fog And Haze Weather, Gray Sky, Snow Weather.WIDELY USE:Great For Outdoor Activities Such As Cycling, Walking, Hiking, Jogging, Running, Skiing, Snowboarding, Skateboarding, Scooting Etc.CUSTOMER SERVICE: Comfort, Quality, and Safety is our number one priority. If you have any issues with your face mask, please contact our customer support and we will do our best to take care of you.