The custom cake box is usually a one piece box. The box side panels need to fold and lock each other. This box style is required to be assembled by hand. The open window with a clear Mylar, plastic can be added on the top of box, so the cakes can be seen. The custom printed cake box style are used popular in food packaging , such as cake boxes, donut boxes, cupcake boxes and more. Custom printed cake box style, with custom box size and custom window printed by full color process printing are available upon of your request. Please contact us for Free cake box style design template.