When you are mesmerized by the idea of having the right kind of envelopes, then you need to be aware that it will require attention to details and resources. No matter how tech savvy you are if you are not putting thoughts into it then you can actually going to print ordinary envelopes. Along with the design, you need to understand the use of the printer because it will not be an A4 size straight print.
In case you have to buy a new printer for this then you can opt for the high-end products from Xerox Dubai so that you get the results just the way you want. While you are doing that, check out this article to know some tips and tricks for printing envelopes like a pro