If you look at the details on these fabrics they are listed as Poly/Viscos of 10.5oz.

I know these fabrics and they are great for a vest, party decorations and housewares. But I would caution about trying to make a Kilt from them.

The Selvedge is a large fringe with 3-8 lines of contrasting threads along the edge.

Some of these fabrics have the feel of pajamas or sleep pants flannel. In fact that it one of the largest uses of these fabrics.