Poster Mockups (A4)

You can buy a mock-up at the link
https://graphicriver.net/item/poster-mockup/23429251

HOW TO PUT YOUR DESIGN?
Open the psd file
Double click on smart-object layer (DESIGN)
Paste or create your work Save & close.

look at other works by Afest
https://graphicriver.net/user/afest1991/portfolio
https://www.instagram.com/afest1991/