This is a ribbon to be attached to the inside of a hat. It is used for size adjustment and to prevent soiling. This one has a core, which increases its strength. Material: Tetron (Polyester) This is sold in 6m lengths, but additional purchase is possible. Additional length: 1m / 100 yen Seams may be present due to the manufacturing process. In such cases, we will cut more than 1m. Similarly, color unevenness may occur during production. Please consider this before purchasing. If you purchase two different sizes together, you will receive a 100 yen discount. If you have any questions, please leave a comment.