Wedding Cake Saver Box This Wedding Cake Savor Box will help keep your wedding cake fresh. A must-have addition to your wedding supplies, this box has a plastic bag to put the left over cake in and is freezer safe. The box is made from cardboard and has a top hat and a bouquet of flowers on it as well as the word memories. Cardboard 8" x 7 3/4" X 5"; Simple Assembly Required Once the cake is done the couple can keep the box to remember their wedding day.