This is a set including a Futon Town shikibuton (Japanese-style mattress) and one unused, dedicated sheet. I purchased this for my child's naptime at nursery school and used it there. I am selling it because my child no longer takes naps. I bought two sheets just in case, but only used one, so I am including one unused sheet. ■ Brand: Futon Town ■ Purchase Price: 15,999 yen ■ Made in Japan ■ Condition: I used this for about a year and a half at kindergarten. There are marks from where the elastic of the waterproof sheet was. I couldn't find any noticeable stains, but please understand that this is a used item and I am a private seller. I think it can still be used as it is thicker than other futons. ■ Notes: Please purchase this item if you understand that it is a used item. I will ship it folded up. Please be aware of any creases that may occur during shipping. I may use recycled materials for packaging.