31" Multi-Depth Corrugated Boxes. These cartons offer the benefits of having multiple box sizes in your inventory without using up valuable storage space. Fits standard medium and large suitcases. Multi-depth style cartons are scored at intervals on the sides of the box. To obtain the desired size container, simply cut down to the height wanted. No need for a special carton-sizing tool. Manufactured from 200#/ECT32corrugated. Dimensions: 24''L 13''W 31''H. Capacity: 5. 597 cubic feet. Boxes are shipped flat in bundles of 10. No need for a special carton-sizing tool. Manufactured from 200#/ECT32corrugated. Fits standard medium and large suitcases. Multi-depth style cartons are scored at intervals on the sides of the box. To obtain the desired size container, simply cut down to the height wanted. These cartons offer the benefits of having multiple box sizes in your inventory without using up valuable storage space.