Cake box with window 21x21x9cm. White 3pcs A cake box, the word says it all: a box to transport/present cakes in. When you have made a beautiful cake, cakes, small pastries or other creations, they should also reach your customers safely. Of course, you do this with a cake box! These three boxes are easy to fold, as they consist of one piece. There is a window at the top of the box, which gives a nice view of the contents.