Used only once. The long tag that was attached to it has been cut off. Please refrain from purchasing if you are looking for a perfect item. This is a foldable Boston bag. When unfolded, it is the perfect size to fit on one side of a 36L Muji hard carry case. Use it as a sorting case when you go on a trip. Use it as a Boston bag on the way back when you have a lot of luggage. It comes with a belt that can be carried on a carry-on. The fabric uses recycled polyester and is water-repellent. [Recommended points] ・A convenient foldable Boston bag that can be used as a sorting case in your carry-on bag when you leave, and as a carry-on bag when you return with a lot of luggage. ・The zipper can be fully opened, and it fits perfectly on one side of a Muji hard carry 36L case. (The bag itself has a capacity of about 23L) ・By using two types of fabric for the inner lid with a zipper (mesh and the same material as the side fabric), it is designed for ease of use, allowing you to separate items when sorting. ・It is a packable specification and can be folded and stored compactly, so you can carry it as a sub-bag.