Looking for a Billboard Mockup Set which has high resolutions and customizable, so you may want to try this Billboard Mockup Set, this set contains three kinds of the billboard which is easy to edit and has a high resolution with 4000 x 3000 px at 72 dpi.
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.
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