The Castello DL White Window Envelope (110 x 220mm) is a clean and professional solution for everyday mailing needs. Designed to fit A4 documents folded into thirds, it is perfect for sending invoices, statements, pay slips, and general correspondence.
The built-in transparent window allows the recipient’s address to show clearly, eliminating the need for separate labeling or printing. This not only saves time but also ensures a neat and consistent presentation for business communication.
Made from high-quality white paper, the envelope offers a crisp, professional appearance while providing reliable protection against tearing and handling during transit. Its sturdy construction helps keep documents secure and presentable from dispatch to delivery.
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 high-volume office use.
Perfect for offices, businesses, and administrative environments, the Castello DL White Window Self-Seal Envelope combines efficiency, professionalism, and durability for streamlined mailing.










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