Cumberland DL Secretive Window Envelopes – Self-Sealing, 80gsm, 110×220mm | Box of 500

You've slipped a payslip or medical letter into an envelope and wondered if someone peered through that window. These Cumberland DL envelopes take the worry out. The secretive pattern behind the 28×95mm window keeps your document private from postbox to letterbox — no one reads it in transit. Self-sealing strip means you press, seal, done. No glue, no fumbling at the printer at 4:55pm. 80gsm paper takes a folded A4 or a stack of pages without tearing at the fold. Box of 500 covers a solid week of sensitive correspondence. Add to cart

• Secretive window pattern keeps document contents private during transit
• Self-sealing strip — press and go, no glue or tape needed
• 80gsm paper handles folded A4 or multi-page inserts without tearing
• DL size (110×220mm) with a 28×95mm window face for reference details
• Box of 500 — enough for a full week of confidential mail