Heru Mask...(100% Cotton) Unisex One Size Fits All... Cotton Face Mask: 100% cotton, soft and comfortable, breathable. Size: 9.6" x 4.9" (Approx). It is very convenient to wear. This can be a good choice as gift for your family, friends, It's a must-have item for cycling camping travel. by wearing this face mask , you could be protected from dust, small particles on air, pollen and much more.Anti-dust,anti-odor;washable and reusable. Both boys and girls are suitable. Suitable for warmth and protection in bad weather or environment.