Upgrade your everyday mailing with the Indigo® C5 White Window Self-Seal Pocket Envelopes. Designed to fit A4 documents folded once or A5 sheets flat, these premium C5 envelopes provide a professional and dependable solution for business and personal correspondence. Manufactured from high-quality 100gsm white paper, they offer excellent durability, opacity, and a crisp white finish. The clear address window ensures printed addresses are displayed neatly without the need for labels, while the pocket-style opening on the short edge allows for quick and easy document insertion. Featuring a convenient self-seal closure, these envelopes provide fast, secure sealing without moisture or tape, making them ideal for invoices, statements, letters, marketing materials, and everyday office use.