Quality Corrugated Square Mailers These 200 lb. test corrugated boxes have a square shape for easy inserting and removal.
- Square mailing tubes ship flat and take up less space.
- They will rest on flat surfaces without rolling off and are easily stackable.
- Square mailers ship flat and take up less space.
- They will rest on flat surfaces without rolling off and are easily stackable.
- Choosing a selection results in a full page refresh.