The material is pure silk. It's very lovely, with a sophisticated and stylish design featuring a calm color and striped pattern. It has a beautiful design and a strong presence. The back has a single line. There is a fold in the middle, but it's clean with no stains. Size: 15 x 352 cm Hakata obi are easy to tie and don't easily come undone due to the silk's texture. Please understand that this item has been stored at home. I am also selling other items. Please take a look here: #emiHanhabaObi