Download Letterhead and Envelope Mockup Template. Here is a Free C4 Envelope Mockup with Letterhead which will help you present your corporate branding designs in a photorealistic and professional way. It is useful C4 Envelope Mockup which you can use for showcasing your clients or your own personal branding in a photorealistic manner. This Letterhead and Envelope Mockup is high quality with fully separated layers and easily editable. To add your designs just replace the content of the smart object. The background can be changed and You can experiment with different backgrounds color to match with your company branding. This Free Letterhead and Envelope Mockup makes your work easier and it uses smart objects. By changing the content of the smart object with your design you will get your desired result in few seconds without worrying about placement and perspective. Hope you like this Free C4 Envelope and Letterhead Mockup Template Enjoy!