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Lowest Price for Foodsaver Ziplock Bags - Side Gusset Bag Or Quad Seal Bag – Union Packing
Side gusset bag has three different heat seal method. It can be back sealed, side sealed and four sides sealed, just choose it according to your love. Four sides sealed method, each edge will be heat sealed equably so the best tightness. Compared with three side sealed bags, it has more both sides, so it can pack more weight and stand to some extent. Side gusset bag is similar to flat bottom pouch, but flat bottom pouch production process is complex and high-cost. By comparison, side gusset b...