You can use this Postcard with Envelope Mockup to showcase your Postcard Design along with the Postcard Envelope Design to your client or in your portfolio in an amazing way. You just need to put your design in the smart layer and it is done. You need to have photoshop to edit it.
File Format: PSD
Dimensions: 3000×2000 Px
Size: 16 Mb
License: Free for personal & commercial use