Using clothing fabric instead of plastic or metal for a laptop is a pretty neat concept at least until you have to clean the thing. It may be best to avoid spilling any coffee or other liquids on the Yoga 6 13 or you'd be left with some potential stains.
https://www.notebookcheck.net/The-Lenovo-Yoga-6-13-2-in-1-fabric-feels-like-an-old-shirt.550943.0.html