DL Size String Envelope Mockup PSD
The best Envelope Mockup that allows you to completely match it according to the requirement. You can also easily place your design via the smart object layer with simply a few clicks.
Free

The best Envelope Mockup which includes a front and back view with A4 letterhead, a totally customizable mockup you can place your own design or change envelope color. This free mockup contains smart object layers so you can update it with your design in less time.