This is a Fukuro obi
with various styles of stripe lines pattern, which is woven.
Textile is silk, and it has soft to the touch.
Fabric has rather dimensional touch with Kawari weave technique.
Stripe lines are woven on the wrong side.
Snag will not show when tied.
There are water spot-like stains on blank parts. (sorry no photos)
It has some other flaws, such as folding lines, as shown on photos.
Please see photos for details.
If you do not mind the small flaws mentioned, it can continue to be worn.