I used this for one season, so it shows some signs of wear, but there were no instances of spitting up, so there are no noticeable stains, and I think it can still be used. (※I often used the left-side undershirt. I think it's stretched a little compared to the right-side undershirt.) ※Please feel free to ask if you have any questions. ※I check for stains and scratches to make sure I don't miss anything, but there may be oversights. Please understand this before purchasing. Although the condition is good, please refrain from purchasing if you are concerned about minor details. Cancellations after purchase are not accepted.