Cumberland Self-Seal Secretive Window Envelope 80gsm DLX 120 x 235mm White – Box of 500

You need the address visible but the contents hidden. This one does both. The window face shows recipient details clearly, while the secretive pattern keeps everything else opaque. Self-seal means you're sealing and posting in seconds, not hunting for a glue pot. 80gsm DLX white, box of 500. Customisable with your branding. Add to cart and sort your mailroom for good

• Window face for clear address visibility alongside secretive pattern
• Self-seal strip – no adhesive or tape required
• 80gsm DLX size (120 x 235mm) for standard business and school mailing
• Box of 500 keeps your mailroom stocked between orders
• Customisable with company logo or school emblem