Southern Champion Tray 23050 14" x 14" x 1 3/4" Window White Cake Box - 100/PackWhite SBS (solid bleached sulfate) paperboard is thicker and more rigid than paper, is suitable for holding baked goods, and can be recycled just be sure to remove the window film before placing in the bin. It can be printed with a logo or a business name. The attached lid tucks into the box to help secure its contents. A cellophane window provides a view of the box's contents. The lock corners facilitate assembly and enable the box to be folded flat