This is a Tsumugi Fukuro obi
with 'kiribame'(patchwork) pattern.
Fabrics with woven motifs of lattice, bamboo and decorative are patchworked.
Textile is silk, and it has soft to the touch.
*Background color may seem uneven on photos, but it is actually one tone of color as seen in HTML code*
Prominent folding lines are also seen on Tare end.
There is a tiny stain on one side of Otaiko pattern.
There is a fray on Tesaki end along the folding line, and yarns are torn.
Please see photos for details.
If you do not mind the small flaws mentioned, it can continue to be worn.