Answer:
It is by nature, soft as silk; A puffy cloud, white as milk; Snow tops this tropical crop; The dirtiest part of a mop
What has a big mouth, yet never speaks?
I bind it and it walks. I loose it and it stops.
There are two meanings to me. With one I may need to be broken, with the other I hold on. My favorite characteristic is my charming dimple.
In Paris but not in France, the thinnest of its siblings.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?