The Decora cake boxes are available in a range of sizes: 26 x 26 x 25, 30 x 30 x 25, 30 x 30 x 30, and 40 x 40 x 400. These boxes are crafted with high-quality, microwave-safe cardboard and a unique opening system that simplifies placement of even large cakes. The interlocking fins add stability to the walls of the box, making it a patented and reliable product from Italy.