The flat-bottom bags using kraft paper material, give a person a kind of very the feeling of restoring ancient ways, kraft paper, coating a layer of frosted glass membrane is more advanced, but also can realize the function of waterproof, built-in aluminized material can keep the food fresh, greatly such as coffee, cat food dog food of these foods are need aluminum materials, T type tear adopts new design, different from ordinary zipper, more high-grade and beautiful,eight face seal design, more comprehensive display bag each edge,  Create more room, flat bottom design, make standing more stable.