Opt for timeless elegance with our square 140x140 mm envelopes in sophisticated black. The dark color exudes exclusivity and professionalism, giving your correspondence a distinctive touch. Whether for elegant invitation cards, high-quality gift certificates, or business mailings designed to leave a lasting impression—these envelopes are the perfect choice for special messages.
The square format has a modern, high-quality look. For even more variety in your collection, please take a look at our complete selection of square envelopes. If you prefer a slightly larger size for your documents, we also offer 155x155 mm envelopes in black.
At Kuvertwelt, we combine quality with first-class service. We ensure precise quantity accuracy with every order, so you always receive exactly the number of envelopes you need. Take advantage of our fast delivery and add a touch of luxury to your mailings.