1.100% silk 2.respirator cartridges 3.CE EN140 4.MOQ :2000pcs 5.delivery time :30 days 1.dust refence 2.respirator cartridges3.CE EN1404.MOQ :2000pairs5.delivery time :30 days6.packing :1 pair per polybag ,100pairs per carton7.size:S-2XLSAMPLE CHARGE1.free for sample fee2.sample time :3- 5 days3.need your account number for shipping fee before 1st order