This is a soft obi (sash). It may not have a core. There are no particularly noticeable stains, but please be aware of some minor soiling. There are storage wrinkles and fold lines. The material is probably silk. It's a gorgeous, shiny obi. It's simple and easy to match. Perfect for formal wear! Width: Approximately 30.5 cm, Length: Approximately 436 cm Instant purchase OK! No price reduction! For those who understand the nature of old items! It will be packed compactly for shipping. Please read the profile. Antique, Retro Taisho Roman, Classic patterns High-class, Exquisite, High quality, Modern obi