ASICS retro new with tag girls size 3 sneaker NEW NWT -small dirt area

This is a pair of retro sneakers from ASICS girls size 3, they are new but… it looks like something was spilled on a small area of the inside of the left shoe where the ankle would be. I pointed it out in the last picture and the third to last picture; I have not tried washing it I would think it would come out but it looks darker on that shoe compared to the other shoe but as you can see there is paper still in the shoes it’s dry so I’m not sure exactly what it is. Otherwise these are new with tags never been worn I just have picky kids!!!