This is a thin, light silk belly band. ■ 68% silk, 30% nylon, 1% polyester, 1% polyurethane ■ Size: S-L (It stretches, so it's considered a free size) This is a product from the store Maruei Knit. (Made in Japan, produced in-house for peace of mind) It hasn't been opened, so it's unconfirmed, but often the product doesn't have tags. Although it's unused, it has been stored at home. Please understand. *Instant purchase is welcome.