Side-loading cardboard cartons are ideal for packing mirrors, picture frames, artwork, and other flat merchandise. The sturdy side-loading design is simple to pack and features complete overlapping flaps for increased stability, strength, and safety. These boxes can conserve storage and shipping space. Choose from a variety of sizes that will accommodate any item you wish to carry, and rest assured that your valuables will remain intact during transport. All of our side-loading boxes are manufactured from 100% recyclable corrugated cartons that come in a variety of sizes and shapes.