5 x 5 x 25 Square White Corrugated Mailing Tube 25/Bundle Heavy Duty Self-Seal Bubble Bags Features a variable temperature control

Features a variable temperature control ranging between 248°F - 425°F with 220 watts of heating power

Self-seal closure with a double perforation tear strip for easy opening

The opening on the slider grip poly bag is always on the first dimension listed in the description (the width dimension)

Recommended for masking small areas on circuit boards

5 x 5 x 25 Square White Corrugated Mailing Tube 25/Bundle Heavy Duty Self-Seal Bubble Bags Features a variable temperature controlThese 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.