... can be bottom gusset, side gusset, three-side sealed, sealed in the back corner, sealed in the back center, etc.4. Printing: Good ... use;3.Strong sealing strength, non-breakage, non leakage;4.Heat sealing the sides edge, colorful and vivid printing;5.Non ... .5) Style available: stand up, zipped, heat-sealed, heat-cut, cold-cut, sealed-in the-middle, three-side-sealed, with handle or hanger hole, etc ...