MATERIAL: 100% polyester fiber.It is very soft, breathable, water-repellent, and washable. The buckle has adjustable elasticity. You can change its length according to your facial contour to prevent leaving marks on your face after taking it off.A size suitable for most people, suitable for adults, men and women. WHAT YOU GET: One mouth cover Includes 1 Pieces Replaceable Filters.Our dust cover is hand washable and reusable.This 5 layers of fibering prtection face mouth cover can be washed and reuse for multiple times. It's eco-friendly and a great gift for your families and friends. APPLICABLE SCENE: Our outdoor sports mouth cover is widely used for pollen allergy, running, cycling,Travel, parties,outdoor activities, woodworking and construction work, also good to use as mowing mouth cover and paint mouth cover in house improvement projects. Protection Objects: Pollen, Fine Particles, Kitchen Oil, Second-Hand Smoke, Odor Gas, Etc. Stylish pattern: We use advanced printing technology to make pictures more interesting and fashionable. Does not fade and cannot be bleached.We Believe That The Face COVER Is a Ideal Choise Which Make You Look More Fashion.