Ensure your mailing looks professional and stays secure with Indigo® C5 Pocket White Self-Seal Envelopes. Measuring 162 x 229mm, these envelopes are the perfect fit for A4 paper folded once or A5 documents sent flat – making them ideal for letters, invoices, statements, and business correspondence.

Crafted from high-quality 100gsm bright white paper, these envelopes are strong, opaque, and durable, ensuring contents remain private and protected. The self-seal closure provides a fast and hygienic solution – simply press to seal securely, with no licking or additional adhesives required.

Designed with a pocket-style opening (short edge), inserting documents is quick and easy, saving time for both business and personal mailing. Supplied in a large value pack of 50 envelopes, Indigo® ensures long-lasting supply and cost-effectiveness for busy offices, schools, or home users. Fully eco-friendly and recyclable, these envelopes combine quality, convenience, and sustainability.

Key Features

• 📏 C5 Size (162 x 229mm) – Fits A4 paper folded once or A5 sheets flat
• 🔒 Self-Seal Closure – Quick, clean, and secure sealing without moisture or tape
• 📄 Premium 100gsm White Paper – Strong, opaque and professional finish
• 📂 Pocket-Style Opening – Short-side opening for easy document insertion
• 🌍 Eco-Friendly & Recyclable – Made from responsibly sourced paper
• 📦 Bulk Pack of 50 – Excellent value for offices, schools, and high-volume mailing