Please Do Not Bend Envelopes A4/C4 324x229mm – Hard Board Backed Manila Mailers | Extra Strong Self-Seal Envelopes for Photos, Prints & Documents (500)

• Manila Hard Board Backed Envelopes Designed for Maximum Rigidity Incorporating a robust manila board backing, these envelopes maintain structural integrity, preventing creases and bends, thereby preserving the pristine condition of your vital documents.
• Prominent Red “PLEASE DO NOT BEND” Advisory for Enhanced Handling The clearly printed, high-visibility red message ensures that postal and courier personnel handle your shipment with utmost care, minimizing the risk of damage or mishandling.
• Precision-Engineered C4 Dimensions (324mm x 229mm) for A4-Sized Materials Generously sized to accommodate A4 documents, certificates, prints, and brochures without folding, offering a professional and secure packaging solution.
• HARD CARD BACKED CONSTRUCTION – Features a 600 GSM rigid card backing board to provide added support during mailing
• 120 GSM FRONT PAPER – Front paper layer made from 120 GSM material for everyday document mailing applications

Manila Board Backed Envelopes – Printed “PLEASE DO NOT BEND” in Red – Size C4 (324mm x 229mm) Protect your important documents with our premium Manila Board Backed Envelopes, designed to keep contents safe and flat during transit. Each envelope features a sturdy manila backing and a clear, bold “PLEASE DO NOT BEND” warning printed prominently in red on the front, ensuring careful handling by postal and courier services. Key Features: Durable Manila Board Backing: Provides excellent rigidity and protection to prevent creases or folds on important papers, photos, certificates, or artwork. Bold “PLEASE DO NOT BEND” Warning: Printed in red on the front for high visibility, helping ensure your items arrive in perfect condition. Size C4 (324mm x 229mm): Ideal for A4 documents, magazines, brochures, and other flat items without folding. Secure and Professional: Perfect for business mailings, legal documents, contracts, and more. Easy to Use: Ready to pack and seal for quick and efficient shipping or storage. Why Choose Our Manila Board Backed Envelopes? Whether you’re sending important business documents, photographs, or artwork, these envelopes offer premium protection combined with a clear handling instruction that helps reduce damage risks. Their large C4 size fits standard A4 paper flat, making them perfect for offices, schools, artists, and anyone needing reliable postal protection.