... of odour,filter bacteria,stop dust,etc. bacteria-filered decorated medical face masks 4 ply, with ear loopPackage:50pcs/box,40boxes ... /cartoncarton dimension:52cmx38cmx44cmApplication:lab,science studying unit,enterprise exploiting unit,etcfeature:It is made ... of odour,filter bacteria,stop dust,etc. bacteria-filered decorated medical face masks