Cotton Eco-Friendly: Our anti-dust mask is made of 100% Eco-Friendly Cotton, Breathable and absorbent, breathable and comfortable to wear. We offer 10 pcs cotton mouth mask to meet your family needs. Our anti pollen mask is eco-friendly and convenient to use. Adjustable: With stretchable ear loop, you can stretch the length of the face mask straps to fit your face closely and comfortably, leaving no trace on your face after taking off, easy to wear and take off. One size fits all. Great for both male and female to use in all season. Functional: Ideal to protect your nose and mouth from dust, pollution, pollen. Our reusable face mask is also suitable for sports, gardening, travel, outdoor, household, hospital, office, schools, public places, etc. Protection: Our dust mask designed for a multitude of purposes, anti pollution breathable respirator mask will help protect you from substances like pollution, carbon, construction dust, paint,insulation just plain cold air. Washable: Easy to wash, no deformation after wash. one anti pollution mask can be reused for multiple times in every seasons. Feel free to contact us for prompt refund or replacement solution if you are not satisfied. One size suitable for evryone!