Multilayer structure form of small food vacuum bag

small food vacuum bag is not a single material bags, but by a variety of composite structure and become a kind of packaging material, it has the advantage of good sealing performance, and can maintain integrity of the inflatable and no leakage.

small food of all the food is very special, because it is Fried, or roasted, with crisp and characteristics of the cake.

this kind of food is placed in the air for a day or two, feel will damp, not only crisp sex have no longer, and the taste will also change, therefore, to ensure that its nature, requires a very good packaging material, can ensure that it is not affected by oxidation of the oxygen in the air, and to ensure that it is not affected by moisture in the air, this kind of packing only a multilayer structure can be achieved.

small food vacuum bag * is inside the aluminum foil, the outer layer is made of plastic, because of its good printing performance, easy to print advertising design.