https://creativemarket.com/StyledProductMockups/1379062-Sublimation-clipboard-mockup

Download includes: Two Photoshop PSD files. One for just the front and a second for the front and back of the clipboard. These files are set up with smart objects. Simply locate the layer marked “Click Icon to Add Image” in red, place your image in and you are done. Two Photoshop Elements files with a layer to paste your image into. Includes just the front view and a second file for front and back. Two transparent PNG files. These files have a transparent window for you to place your image behind. The PNG files come with the light grey background as shown in the first image of our listing. The template files are set up at 300 dpi at 2000 x 1600 pixels.