You can use this Square Pillow Mockup PSD to display your pillow design to your clients in a simple and sleek way. You just need to put your design in the smart layer and it is done. You can fully modify the background colour and pillow colours according to your requirements. You need to have photoshop to edit it.
File Format: PSD
Dimensions: 4000×3200 px
Size: 123 Mb
License: Free for personal & commercial use