Smashmockup
Envelope Mockup with marble backgrounds is available in high resolution images. The envelope has a nice realistic paper texture.
This fully layered PSD file allows you to show off your design. The PSD file allows you to change all elements and come with many customization options. Completely layered file with smart object.
If you find this resource useful for your project, go click the Download button and you will get this resource. You can support the author get more exposure by sharing the link.
