--- 3-layer，PP Non Woven+high filtration paper+PP Non。
--- Multiple protections to block dust, harmful substances, gases and odors, and reduce infections.
--- With good elastic ear-loop.
--- One size, suitable for most adult men or women.
--- Packaging: 50 PCS
Packaging Details:50pcs/box, 40 boxes/ctn, 2000pcs/ctn.
Lead Time :Shipped in 15 days after payment