This is a Maru obi
with exotic 'Marumon' (circle) of 'Karabana' (imaginary flower in china) and phoenix
on horizontal lines pattern, which is woven.
Gold foil threads included in fabric and the pattern twinkle gently.
Textile is silk, and it has soft to the touch.
Both ends are closed, but there is no lining inside.
Stain below the Otaiko pattern will fall in the weave and won't show when tied.
It has a folding line.
Please see photos for details.
If you do not mind the small flaws mentioned, it can continue to be worn.