... proof 4:Industrial Use: Food stand up plastic with zipper lock milk power bag,water bag,gusset bag Guangzhou LiRui Package ... Products Co.,LtdDescriptionItem Stand up zipper lock pouchUsageSnack,milk powder,beverage powder,nuts,dried food,dried fruit ... : packaging20120312 Website: www.packaging.so stand up plastic with zipper lock milk power bag,water bag,gusset bag