Square Mailing Tubes

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.