Zara Basic Skinny Leg Light Wash Jeans Size Women's 6

Zara Basic Size Women's 6 Light Wash Skinny Leg Jeans Approximate measurements in photos These are in very good condition. One the back pocket there is what appears to be a stain as shown in last photo. I'm unsure if it is a small stain or just the way the pants are made and the Wash. otherwise, no flaws to note.