This is a gorgeous Zentsu Fukuro obi
with elegant flowers with stream in Tsujigahana
Approx 70 % of the pattern has silver color mainly and the rest of the part has gold color, so you can enjoy the each color depending how you tie the bow.
Textile is silk and metallic foiled threads are used all over.
It has folding lines, but not disturbing for wearing.
Please see photos for details.
Overall, it is in very good condition and can continue to be worn!
The decorative obi like this will be excellent to match with furisode.