Wedding Cake Box, 15 x 15 x 16 Inches by Decopac.This cake box is perfect for your wedding or tiered cakes and is made of sturdy cardboard, measuring 15 x 15 x 16 inches. It has a cardboard insert to keep the cake centered for 8, 10, and 12 inch round or square cakes. The box can fit up to a 14 inch cake. This box is very easily assembled.