Since they haven't been used much, there isn't any noticeable dirt. There are areas where the cork is peeling on the toe and heel. I will wipe them down with alcohol before shipping. There is no original box. Returns are not accepted. - Size: M size (approximately 23.0-23.5cm) - Color: Mustard yellow - Sole material: Thin cork is attached - Strap: Hook-and-loop type, with length adjustment holes - Sole height: Toe approximately 2cm, heel approximately 6cm - Weight: Approximately 200g per shoe