This is the top of a soda can. It includes all the details including a pull tab. It can be put on a plain cylinder to create many cans of soft drink.

The SBSAR file allows user to change the color of the metal.

It's foam of a black coffee such as americano. A good coffee comes with a layer of crema and this texture has no exception.

There are large and small bubbles scattering around edges. It is the natural phenomenon. Bubbles tend to adhere to surface.