(2) 29 ECT (Edge Crush Test) #3 White Outside, Kraft Inside Side loading mailer features self-adhesive strips for quick and secure closure. Perforated tear strip for easy opening. Shipped in protective corrugated carton. All Air Express Standard Mailers are E-flute
(2) 32 ECT (Edge Crush Test) #3 White Outside, Kraft Inside. T-mailer features self-adhesive strips for quick and secure closure. Perforated tear strip for easy opening. With multiple scores, the T-mailer can accommodate different quantities and is perfect for shipping pictures, books and magazines. All Air Express T Mailers are B-flute.
32 ECT (Edge Crush Test) #3 White Outside, Kraft Inside. Triangular Mailer features self-adhesive strips for quick secure closure. Perforated tear strip for easy opening. Shipped fully assembled in clear protective wrap. All Air Express Triangular Mailers are B-flute.
(3) 32 ECT (Edge Crush Test) #3 White Outside, Kraft Inside Triangle Tubes feature self-locking ends for easy opening and closing. Triangle shape helps to prevent rolling and adds strength. Simple one piece construction for easy assembly. Great for storing and shipping blueprints, posters, artwork and more. Sold in unitized bundles. All Air Express Triangle Tubes are B-Flute