This is a fall prevention skirt for the 521 series (2nd car) and 223 series 2000 series. Depending on modification, it can also be used for the 223 series 1000 series, 223 series 6000 series, 223 series 0 series, 223 series 2500 series, and 207 series. (Please perform modifications at your own risk) Shipping will be in a simple package and sent in an envelope. The condition is described based on the individual's subjective assessment. Unopened = New, unused Only opened for confirmation = Almost unused Beautiful condition, no scratches = No noticeable scratches or stains Slight scratches = Some scratches or stains Many scratches = Scratches or stains Non-functional, many scratches overall = Overall poor condition Recently, there have been many negative reviews from buyers who were satisfied with their purchase. To avoid problems after purchase, please ask any questions you may have about the product's contents. If you have no questions, you can purchase it as is.