Sell [Quick shipping] Black cycling mask with breathing valve ZANKER best price

Description: The first layer of breathable plastic layer fits the contours of the face and blocks larger particles. The second activated carbon filter layer adsorbs chemical pollution in the air, The third layer of velvet cotton assists in filtering harmful substances to filter smaller 0.30 micron dust, The fourth layer of sprayed cotton reinforced layer strengthens and filters 0.03 micron PM2.5 particles. The fifth layer of non-woven fabric is comfortable and breathable, and it is not easy to get dirty and high. Specifications: Weight: 56g Packing size: 15 * 12 * 1cm Package Included: 1*Black cycling mask