The item you are reading about is a photo-realistic free resource of a round kraft box mockup with a wooden lid you are provided with by Graphic Google. Just think in the sense of creativeness and make use of it for different types of presentations of your artwork.
The file format is PSD and it comes with one shot of this round kraft box rolled on the surface with its shadow on it. This will give you the top view of the item and enables you to change the color of the background so you will have it in harmony with your artwork and create your ideal scene. All you have to do is insert your project into the smart layers and then you’re all set.