
Optimize your mailings with style and efficiency! An envelope stuffing machine processes your mailings in seconds by folding documents , moistening the adhesive strip, and sealing the envelope. The ideal choice for this is our high-quality window envelope, printed in dark blue. This model was specifically designed as a durable mailing envelope to ensure a smooth workflow even with high volumes.
The deep blue of these envelopes is associated with clarity and objectivity. It adds an extra touch of professionalism to your business mail and pairs perfectly with modern logos. Measuring 229 x 114 mm, the envelope conforms to the DIN Lang+ (DIN C6/5) letter size, offering slightly more space than standard DL envelopes.
Whether for invoices, personalized mailings, or informational mailings—this dark blue envelope with an address window is the perfect choice for businesses that refuse to compromise on quality and speed. Thanks to its sturdy construction, it’s ideal for both manual and fully automated envelope stuffing. At Kuvertwelt, you’ll also benefit from attractive volume discounts for bulk buyers.