... for moisture proof,security,barrier,etc 1.3 side seal laminated packaging bags 2.Gravure printing up to 9 colors,all the ... machines are high-speed controlledmachines,quality can be sure3.Material:laminated materials ... ziplock,three sides seal,middle sealing,bottom or side gusset,zipper bag orheader bag5.Feature:vivi printing,noisture proof ,shock prevent ...