The Castello C4 Brown Envelope (324 x 229mm) is a dependable solution for mailing and storing important A4 documents while keeping them flat and crease-free. Ideal for contracts, reports, certificates, and general correspondence, this envelope ensures your documents remain neat and presentable.
Constructed from high-quality brown kraft paper, it provides excellent strength and durability, helping to protect contents from bending, tearing, and everyday handling during transit. The natural brown finish gives it a practical, professional look suitable for a wide range of administrative and business applications.
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 ideal for efficient, high-volume use.
Perfect for offices, schools, and general mailing purposes, the Castello C4 Brown Self-Seal Envelope combines strength, convenience, and reliability—making it an essential everyday stationery item.
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