This is a Fukuro obi
with exquisite seasonal flowers, such as sakura 'cherry blossom', 'tachibana'(Japanese citrus) and 'botan'(peony) on 'zigami'(paper cut of shape of fan or umbrella etc.) pattern, which is woven mainly with gold threads which makes this obi suitable for a formal usage.
Textile is silk, and it has soft touch.
It has prominent 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!