In many occasions such small diameter cardboard tube packaging box for food is needed, especially when you have foods with long and thin shape or need to be contained in a line like the chips. This model of tube packaging box takes a simple approach of both the finishing and design. In general, it uses raw cardboard on the outside with printed label on it to realize the complete decoration. This method is better for the health as well as for the budget. Inside the box, food level treatment, like foil paper or food filming is applied to comply with requirements. There are many ways to realize the sealing, you can either require the box itself to be sealable, if there is a strict demand, or just applying plastic membrane after putting the food inside the box. Based on the actual needs, there can be plenty of customizations in all aspects.