When it comes to presenting stationery items one thing that should be considered is the quality of the flyer mockup you use to make your presentation. And this mockup of an A4 flat flyer which is of great quality is completely fit.
This item which comes in a PSD format contains one shot of the A4 flyer laid on the surface in a perspective view. This photorealistic template that is very easy to use will enable you to customize the background to get the one that fits your project the best. Drag and drop your own artwork into the layers of the smart object to see the results for yourself.