3 x 3 x 37 Square Kraft Corrugated Mailing Tube 25/Bundle Type D Feature a special seal that

Feature a special seal that once broken

Shippers arrive with foam glued to the top and loose on the bottom

Our Doorknob Bags will protect your promotional literature from inclement weather conditions

and other relevant details

75 mil Low Density Polyethylene (LDPE) film

3 x 3 x 37 Square Kraft Corrugated Mailing Tube 25/Bundle Type D Feature a special seal thatThese mailing tubes 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.