This dust mask can be used when cycling and other outdoor activities to prevent you from dust, sand, bionfly and even sunshine.<br><br><strong>Features:</strong><br>Advanced Nylon mesh, better ventilation and suppleness, more portable.  <br>Ergonomic designs make you feel comfortable.<br>Replaceable filters and exhalation valves to keep the inside of the mask well ventilated.<br>Fastener tape design.  <br><br><strong>Specifications:</strong><br>Fabric: Nylon<br>Applicable gender: Unisex<br>Color: Black / Blue / Orange (optional)<br>Item Weight: 40g / 1.42oz<br>Package Size: 16 * 20cm / 6.3 * 7.9in<br>Package Weight: 50g / 1.8oz  <br><br><strong>Package List:</strong><br>1 * Face Mask