JERN Pollution Mask with breathe valve and PM 2.5 Filter and adjustable strap (Grey)

1 Pc Black Health Cycling Anti-Dust Mouth Face Mask Respirator Unisex Fashion Kpop Mouth-Muffle Face Made of high quality cotton blending materials Perfect for daily wear to protect you from dust, ash and so on. A good choice for outsports such as cycling, camping, hiking. One size fit all Flat Size: 18 x 11 cm(not include the straps)Package Included: 1 x anti-dust mask