There are no particular stains, but please refrain from purchasing if you are sensitive to used items, as it has been stored in a chest of drawers for many years. The size is unknown, but it says 61. Measurements by a layman: Inseam: 27 cm Crotch: 10 cm Waist: 31 x 2 cm ~ The waist is elastic, so it should be fine even if your waist is a little larger.