... safty Food grade packaging roll film solventless Laminating roll film Feature1.It's used for high speed auto packaging machine 2.It's ... -sealed bag,mid sealed flat bags, quad pouch,spouted bag,roll stock film,three-side-sealed, with handle or hanger hole ... )bag style/usage2)materials ( polybag only or Alu foil polybag)3)thickness of each layer(mm/ mic/mil )4)size ( WxH ...