5 x 5 x 30 Square Kraft Corrugated Mailing Tube 25/Bundle Heavy Duty Self-Seal Bubble Bags Ideal for attaching materials where

Ideal for attaching materials where an aggressive adhesive with high initial adhesion is desired

tape or can be heat sealed

Adjustable timer allows for use with varying poly thicknesses

16 gauge steel tubing

5 x 5 x 30 Square Kraft Corrugated Mailing Tube 25/Bundle Heavy Duty Self-Seal Bubble Bags Ideal for attaching materials whereThese 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.