These white 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.
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.