This is a Fukuro obi
with elegant design of wave and flower circles in abstract semicircular, which is woven.
Gold foil threads included in fabric and the pattern twinkle gently.
Textile is soft silk.
Both ends are closed, but there is no lining inside.
There is a fine uneven spots of weaving on Otaiko pattern, but not so disturbing. (sorry no photos)
It also has folding lines.
Please see photos for details.
Although it has some flaws as mentioned, it is still in wearable condition.