6 6 Multi-Depth Corrugated Boxes. These cartons offer the benefits of having many box sizes in your inventory without using up valuable storage space. 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#/ECT-32corrugated. These cartons offer the benefits of having many box sizes in your inventory without using up valuable storage space. 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#/ECT-32corrugated.