Awesome free brochure mockup with 4 customizable PSDs for your print and advertising designs. These mockups feature replaceable cover design (front/back) and inner pages, you also get to change the background.
This is the FREE Corporate Mockup by Sergey Ryadovoy which is a great mockup that you can fully customise. It comes in a size and is MB. It's a PSD file that is available for personal and commercial use