How to obtain Floss Silk?

Trying to find out where to get this item (Floss Silk), but google is not being my friend this time.

Can anyone tell me how can I obtain it?

Thanks!

My guess is likely the same way as marine/light plate aka vanity mats, via retainer ventures.

EDIT:
http://www.bluegartr.com/threads/120...r-out-dps-pugs