I wore it once on the day of the live performance. After that, I stored it in the closet. I don't think there are any noticeable stains. The following is from the official website: 【Size】 [ S ] Body width: approx. 49cm / Length: approx. 62cm 【Material】 Cotton, print processing Please note that there may be a margin of error of 2-3cm in the size due to the sewing finish.