Heavy Duty Boxes
- Use heavy-duty boxes when additional stacking strength is needed.
- Single Wall Heavy-Duty Boxes & Super Shippers are made from strong 275#/ECT-44 corrugated.
- Double Wall Heavy-Duty Boxes are made from strong 275# D.W./ECT-48 corrugated.
- Super-Shippers are scored at multiple depths - simply cut down to desired size.
