I have stayed there and tend to highly recommend it. These are a set of international guide lines that ensure top of the line products are made. Fine fibres can turn out to be as little as 10microns, and also the finer it's the silkier it feels, but anything higher than 25microns thinks coarse. https://Www.digitaljournal.com/pr/news/press-advantage/revolutionizing-contractor-license-education-contractors-state-license-center-shapes-the-future-in-los-angeles