Keep your mail safe, secure, and professionally presented with the Indigo® C5 Manilla Self-Seal Envelopes. Designed for everyday business and personal correspondence, these premium envelopes are manufactured from strong, durable manilla paper to provide excellent protection during transit. Sized to accommodate A5 documents flat or A4 sheets folded once, they are ideal for letters, invoices, statements, brochures, reports, and other important documents. The convenient self-seal closure provides quick, secure sealing without the need for moisture or tape, making mailing faster, cleaner, and more efficient. Supplied in varying pack sizes, these envelopes are perfect for busy offices, schools, businesses, and home users.