Long size Elastic rubber Part that holds the kimono: Polycarbonate A 30cm piece of flat rubber has been added to a regular-sized Korin belt. Comes in a box. Set of 2 regular sizes = 1700 yen When dressing in a kimono, if you have two Korin belts, you can use one each for the undergarment and the kimono, resulting in a very clean finish. I am also selling other items. Discounts are available for multiple purchases.