Polo Ralph Lauren Beige Khaki Flat Front Chino Pants

Polo Ralph Lauren Boys Size 14 Beige Khaki Flat Front Chino Pants in good used condition. There is staining on the back pocket. I’m not sure what it is and haven’t tried to get it out. See picture. No other stains, tears or rips. Measurements: laid flat Waist: 13.75” Inseam: 28”