Single Size ● Easy to put in and take out! Full-open zipper ● With slits ● With 6 buttons to prevent the futon from slipping ■ Number of threads (approx.): 100 threads Front fabric: 178 threads, Back fabric: 100 threads * "Number of threads" refers to the total number of "warp threads" and "weft threads" per inch (2.54cm). The higher the number, the finer the yarn used, resulting in a softer and finer fabric. Fabrics with 250 or more threads are considered high-density fabrics. ■ Machine washable ※ Although it is new, unused, and unopened, it will be opened for shipping, so please be aware of this beforehand. ※ We also have multi-fit sheets with the same pattern for sale. If you want both, the shipping cost will be higher if we ship them together, so please purchase them separately. In that case, we will discount each item by 100 yen, so please let us know in advance.