Paper bags are the future. Plastic had its run, but there is no hiding that the older material is the one that will eventually come out on top. After all, it is not completely outclassed. For example, they can be much better customized especially if you use the aid of a high-quality paper bag mockup like this fantastic one from Deep Lab.
This free graphic is great for a multitude of reasons. Firstly, paper bags are a part of our everyday life. So whether it is for an office branding project, or just simply for displaying cool artworks you can make it work. Besides, this template gives you full control of the background, the bags, and the shadows to create something entirely amazing. This free mockup comes in 3 PSD files for the free version, as well as 10 high-quality ones for a premium commercial license.