Keep your documents, photos, and certificates safe in the post with the Indigo® C5 Manilla Boardback Envelopes, built with a rigid back board for maximum protection. Designed to prevent bending, creasing, or tearing, these envelopes are clearly printed with “DO NOT BEND”, ensuring extra care during handling and delivery.

Each envelope is fitted with a secure peel & seal strip, offering a strong tamper-resistant closure and quick, efficient sealing. The durable manilla finish gives a professional look while providing strength and reliability for everyday mailing. Perfect for offices, schools, and businesses that require bulk mailing solutions.

Key Features:

• 📦 Rigid Boardback Construction – Prevents bending and damage to delicate contents.
• ✉️ C5 Size (229 x 162mm) – Suitable for A5 documents or A4 paper folded once.
• 🔒 Peel & Seal Closure – Secure, easy-to-use self-adhesive strip.
• 📝 Printed “DO NOT BEND” – Provides clear handling instructions for postal staff.
• 📄 Strong Manilla Finish – Durable, professional, and eco-friendly material.
• 📦 Bulk Pack of 500 – Ideal for schools, offices, and high-volume mailing.