Mug Mockups
The best Mug Mockup with the carton box container. The only thing that you need to do here is to insert your graphics using the smart object layers in Adobe Photoshop, click save, and start sharing.
Free

The best Mug Mockup which showcases 2 mugs from a front angle. You can use Adobe Photoshop to create these presentations by inserting your graphics unto the PSD mockup and changing the colors of the mugs and of the background.