This is a single obi belt that ties with a string. It can be used reversibly. Obi Belt (Reversible String Type) Remake of a Nagoya Obi Fits waist sizes from approximately 70 to 98 cm. Width: Approximately 15.4 cm It's a soft obi without a core, but you can insert an obi board. There are some small spots of staining. Please check the photos. As this is handmade, please allow for some minor variations. You can get a 200 yen discount if you purchase it together with a sash belt. Please check your waist size as they vary. One of a kind.