The 350gsm white all board envelopes are designed with convenience and durability in mind. These envelopes have a pocket-style design with an end opening from the short side, making them ideal for securely enclosing documents, cards, and other flat items. Constructed from 350gsm white all board material, they offer a sturdy and professional appearance. The peel and seal closure ensures easy and secure sealing, while the tear strip allows for effortless opening by the recipient. These envelopes are suitable for various mailing needs, providing a reliable and presentable solution for sending important materials. Whether for personal or business use, the 350gsm white all board envelopes offer a practical and professional option for your mailing requirements.