Zara mens XL striped yellow swim shorts mesh lined 3.5in inseam new but stained

Zara mens XL striped yellow and white swim shorts mesh lined 3.5in inseam new with tags but stained along the top of the waistband and a dot on the side shown in photos don’t know what it is I would wash it but it’s new with tags 🤷🏻‍♀️ waist 17” rise 12” inseam 3.5”