Fluff (noun)

1. Light, soft, downy material such as feathers, hair, or fibers that is used for stuffing or padding.
2. Something that is trivial or unimportant and can be ignored.

Origin:

Of uncertain origin. first recorded in the late 18th century. .

Examples:

1. I carefully removed the fluff from the sweater before washing it.
2. The fluff in the pillows made them very comfortable to sleep on.
3. The news article was full of fluff and didn't have any useful information.
4. I'm tired of all the fluff in these books, I want to read something more substantial.
5. He used the fluff to fill the teddy bear.