These are koshihimo (waist strings) used for wearing a kimono at a wedding. I bought them new and used them only on the day of the ceremony. They have been washed after use and have no noticeable stains. 80% polyester, 20% cotton Approximately 205cm long x 4cm wide Set of 5 They can be used without any problems for kimono dressing. Recommended for traditional Japanese weddings, pre-wedding photoshoots, and kimono dressing practice. Please purchase only if you understand that these are used items. Instant purchase is welcome.