Large Manilla Board Backed Envelopes - 394mm x 319mm

Ensure your professional documents arrive in perfect condition with these heavy-duty board-backed envelopes. Specifically designed for the catering and hospitality industry, these envelopes are ideal for mailing large-format menus, event contracts, and promotional materials without the risk of bending or creasing. Constructed from high-quality 115 GSM manilla paper with a rigid cardboard backing, they provide superior protection during transit. The convenient peel-and-seal closure ensures a secure, tamper-evident seal, making them a reliable choice for busy administrative offices and restaurant management teams looking to maintain a professional image.