disposable civil mask protective black packaging face mask 3ply dust mask1

tips: 1. normally within 1-48 hours, the default delivery of large pieces will be sent to aneng, and small pieces will be sent to zhongtong express 2. due to market conditions and fluctuations in raw materials, the daily price is different. the price difference has been issued. please inform us before purchasing 3. because masks are disposable products in special periods, in order to prevent cross infection. ensure the safety of you and other customers. masks will not be returned if there is