Posture correction belt. Size: S - Built-in back bone - Adjustable height of the main body and bands - Double belt design - Breathable mesh processing - Shoulder belt cushion Can be used both under and over clothing for easy use. Used a few times after purchase. After that, it has been stored at home. I think there are no noticeable stains. Please understand that this is a used item stored at home before purchasing. Also, please refrain from purchasing if you are sensitive to such things.