a resealable reusable flexible plastic bag with a loop handle is disclosed for packaging heavy loads , for example large quantities of granular goods such as dog foods , in a sealed manner . the bag comprises flexible outer panels connected by a flexible gusset , inner flexible panels also connected by a flexible gusset , and a closure having flexible mating portions connected to the outer gusset . the outer gusset includes a frangible portion such as a line of perforations to facilitate access to the inner gusset . the inner gusset also includes a frangible portion to facilitate access to the goods therein . the flexible mating portions of the closure are separably connectable to each other to prevent access to the goods when connected and to facilitate access to the goods when separated .