C3 457x330 self seal Chipboard envelopes heavy-duty cardboard mailers with tear strip

These envelopes are made from 350gsm white all board material and feature a pocket-style design with an end opening from the short side. They are equipped with a peel and seal closure for easy and secure sealing, as well as a tear strip for effortless opening. The sturdy construction and professional appearance make them suitable for a variety of mailing needs, providing a reliable and presentable solution for sending documents, cards, and other flat items. Whether for personal or business use, these envelopes offer a practical and professional option for securely enclosing important materials.

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