Security self seal poly mailers
High quality extra thick 100 micron black opaque poly mail bags with extra strength adhesive self-seal strip. Ideal for posting confidential items. Slightly matt surface allows labels to be easily stuck for postage or address information.
Available in 2 sizes:
Size 18" x 21" with a 2" self-seal flap (457mm x 510mm + 50mm flap). Big enough to take a lever arch file.
Size 10" x 14.5" with a 2" self-seal flap (255mm x 370mm + 50mm flap). Perfect for A4 magazines/catalogues.