Specifications: Material: cotton, mesh, velvet inner Free size(L*W*H): 30*13*12cm/11.8*5*4.7inch, one size fits all, adjustable. Suitable season: Spring/Autumn/Winter Color: red/blue/black/gray Features: 1. 100% Brand new and high quality. 2. Breathable mesh cloth for more smooth breathing. 3. Windproof velvet inner 4. Washable, can be repeatedly used. 5. Collapsible, you can put it inside your pocket and bring it anywhere. 6. Elastic ear strap design, wear easily, stronger and more comfortable. 7.Thin and breathable, long time wear will not cause hypoxia or sultry. 8.Free Size: for Men Women About the product: 1. Materials: adopts superior antibacterial cotton material and breathable mesh cloth, added velvet inner, comfortable, soft and skin-friendly. Non-toxic and odorless. 2. Soft and High Elasticity Earloop-- hanging ear design, high elasticity, no tight ears, comfortable to wear, the upper and lower arcs are designed according to the golden ratio which makes you look nice. also suitable for popular stars who want to hide from fans. 3. Function: Our Anti Pollution Mask protects your mouth and face from dust, cold, ash, pollen, allergy, flu, fog and haze, vehicle exhaust, passive smoking and so on. 4.Ideal for outdoors, such as cycling, camping, hiking, Crafts, Gardening, Travel, Anonymity, Outdoor, shopping, protect your mouth and face effectively. 5.One size fits all: Our dust masks fits unisex. Fashionable pattern is perfect for daily wear. Package include: 1Pcs *Anti Pollution Mask