Thank you for viewing. This item was received from someone else and appears to have been used for handmade kumihimo (braided cords) as a hobby. A black object is reflected in part of the package, but it is on the bag. There are no labels or markings, but it appears to be unopened. There is white thread inside, is this the thread used to bundle it? I do not know the condition or quality of the product. If you inquire in the comments, I will investigate as much as possible. It is highly likely that it is silk thread from Domyo, but there is no certainty, so please purchase on that assumption. I cannot make precise judgments on the detailed specifications or materials. Please check the photos for the condition. Please forgive any oversights as this item is stored at home.