Size 12x8x2.5 12x8x2.5 14x10x2.5 14x10x2.5 14x10x4 14x10x4 14x10x4. Our donut boxes are easy to assemble. Transparent Window: The clear top turns every dessert box into a small showcase. Size: Suitable size 12x8 x 2.5 rectangle design gives your baked goods room to shine instead of feeling cramped.