Please check the specification of our disposable mask as below Product name:3-ply disposable mask. Brand name:Puji. Model:PJ&SM-01 Standard:GB/T32610-2016. Factory certificate:ISO13485 Material:non-woven fabric, melt-blown fabric. Color:blue/white. Feature:high filtration. Packing:50pcs/bag,20box/ctn,1000pcs/ctn. Box size:195*103*75mm. Carton size: 540*405*180mm. N.W./G.W.:6kg/7kg. Place of Origin:CN;GUA.