Nylon and polyester pelvic belt with mesh panels, size M, black and gray combination. - Material: Nylon, polyester - Size: M - Design: With mesh panels - Color: Black, gray Thank you for viewing. I purchased this during my pregnancy, but I haven't used it since. I'm offering it for sale in the hope that someone else can use it. If you need detailed size information before purchasing, please ask. I am 160cm tall and usually wear a size S at Uniqlo, etc.