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, and the dressing will be very beautiful. I am also selling other items. I will offer a discount for multiple purchases.