8" White Cake Box With Window 203 x 203 x 140mm Pks of 10 Deep White Cake Box With Window £9.99 Out of stock. Deep white cake box with window. Made from fbb food safe board. self assemble and comes flat packed. Ideal for cakes with large toppers. Dimensions: 203 x 203 x 140mm (8 x 8 x 5.5") Sold in packs of 10.