The Castello DL Brown Envelope (110 x 220mm) is a dependable and widely used solution for everyday mailing needs. Designed to fit A4 documents folded into thirds, it is ideal for sending letters, invoices, statements, and general correspondence.
Constructed from strong, high-quality brown kraft paper, this envelope provides excellent durability and protection against tearing, bending, and daily handling during transit. The natural brown finish gives it a practical and professional look suitable for a variety of business and administrative uses.
Featuring a convenient self-seal (S/S) closure, the envelope allows for quick and secure sealing without the need for moisture or additional adhesives—making it especially useful for high-volume office environments.
Perfect for offices, schools, and home use, the Castello DL Brown Self-Seal Envelope combines strength, convenience, and reliability—making it an essential item for efficient document handling and mailing.








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