You can use this A6 Envelope Set Mockup to showcase your Envelope design to your clients or in your portfolio in an elegant way. You just need to update the smart layers and it is done. It is fully customizable so you can modify it according to your design. You need to have photoshop to edit it.
File Format: PSD
Dimensions: 1920×1700 px
Size: 74.6 Mb
License: Free for personal & commercial use