These boxes are sold in groups of 5. This is custom made donut and bakery transport boxes that includes one lid and one bottom. The heavy-duty cardboard is approximately 1/8 inch thick with locking tabs for easy construction. The folded box measures 30" long x 20" wide (approx.) allowing a full size bake pan (17 x 25) to sit in the base box with the lid creating a sealed box for transporting finished product. Because of its' rigid construction the boxes will easily stack while transporting.