3 x 3 x 43 Square White Corrugated Mailing Tube 25/Bundle cool shield bubble wrap The outer surface of the

The outer surface of the mailer is white and the inner lining is silver

Secure Tape has consecutive numbers marked every 5 3/4 inches to differentiate shipments

Sealing poly bags with twist ties makes bags reusable

Transparent metal bags are printed with ESD warning symbol and date coded for QC traceability

3 x 3 x 43 Square White Corrugated Mailing Tube 25/Bundle cool shield bubble wrap The outer surface of theThese 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.